AC 43.13-1B

Historical

Advisory circular · Acceptable Methods, Techniques, and Practices—Aircraft Inspection and Repair

A newer version is currentThis is a historical version. AC 43.13-1B CHG 1 Ed Update is the version in force, approved September 27, 2001.
Approved
September 8, 1998
Last reviewed
June 11, 2024
Cancelled by
AC43.13-1B CHG 1
Family
AC 43.13-1 · 7 versions
Revision
B
14 CFR parts
43, 65, 145, 21, 105, 23, 91, 121, 25
Cited by
95 ADs

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.

Show pages 391–402
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Par 7-196 Page 7-339

SECTION 11. HARDWARE IDENTIFICATION TABLES

TABLE 7-10. TABLE OF RIVETS.

Rivet Number Description AN427 Rivet, 100ºcsk. Head steel, monel, copper AN430 Rivet, round head al. Alloy AN441 Rivet, tinners Head, steel, ss, monel AN456 Rivet, brazier head, aluminum alloy AN123151-123750

Rivet, universal head & 100º steel, Inconel NAS 1200 Rivet, solid, 100º flush shear head NAS 1241 Rivet, solid, 100º flush head NAS 1242 Rivet, solid universal head NAS 1398 Rivet, blind, protruding head, locked spindle NAS 1399 Rivet, blind, 100º csk.

Head, locked spindle

TABLE 7-10. (CONTINUED) Rivet Number Description NAS 1738-1739 Rivet, blind, protruding & flush hd., mech.

locked spindle, bulbed NAS1806-1816 Rivet, hi-shear, flathead., ti. alloy NAS1906-1916 Rivet, hi-shear, 100° hd., ti. alloy AN124951-125550 Rivet, solid universal head & 100° csk. head, cres. steel, inconel AN125551-1255700 Rivet, solid universal head, steel AN426 MS20426 Rivet, solid, csk. 100° head al. alloy AN470 MS20470 Rivet, solid, universal head, al. & al. alloy MS9319 Rivet, solid univ. head, AMS 7233 MS9403 Rivet, solid, universal head, AMS 5737 MS16535 Rivet, tubular, oval head

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Par 7-196 Page 7-340 TABLE 7-10. (CONTINUED) Rivet Number Description MS16536 Rivet, tubular, 100° flat csk. head MS20426 Rivet, solid, csk., 100° al. alloy MS20427 Rivet, solid, csk., 100° flush hd., AMS 7233 MS20470 Rivet, solid, universal head, al. alloy MS20600 Rivet, blind, pull stem, protruding head MS20601

Rivet, blind, pull stem, 100°, flush head MS20602-20603 Rivet, blind, explosive MS20604-20605 Rivet, blind nonstructural univ.

and 100° flush head MS20613-20615 Rivet, solid, monel, universal hd., steel, ss, brass, copper NAS452-453 Rivnut, 100° csk. head & flathead NAS454-455 Rivet blind, al. alloy

TABLE 7-10. (CONTINUED) Rivet Number Description NAS508 Rivet, universal head, monel NAS1054 Rivet, hi-shear, protruding head NAS1055 Rivet, hi-shear, 100° flush head NAS1097 Rivet, solid, 100° flush shear head, al. Alloy NAS1198 Rivet, solid, universal head NAS1199 Rivet, solid, 100° flush head

TABLE 7-11. TABLE OF SCREWS.

Screw MS, AN, or NAS Number Description AN255 Screw, external relieved body AN500 & 501 Screw, machine fillister head AN502 & 503 Screw, machine, fill. Head, drilled, coarse & fine AN504 Screw, tapping, thread cutting rnd.

Head, mach. Thread

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Par 7-196 Page 7-341 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description AN505 Screw, machine, flathead, 82° coarse thread AN506 Screw, tapping, type F, coarse & fine AN507 Screw, machine, flathead, 100° AN508 Screw, machine, round head AN509 Screw machine, 100° structural AN510 Screw, machine, flathead, 82° fine thread AN515 & AN520 Screw, machine, round head AN525 Screw, washer head AN526 Screw, machine buttonhead AN530 Screw-tapping, thread cutting, rnd. hd.

AN531 Screw, tapping, thread forming or cutting, 82° flathead.

TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description AN535 Drive screw, round head AN545 Screw, wood, round head AN550 Screw, wood, flathead, 82° AN565 Setscrew, hex. & fluted socket AN115401-115600 Screws, flat fill. head, steel, .190-.375 AN115601-115800 Drilled shank Screw flat fill. head, steel, .190-.375 AN115801-116150 Screw, flat fill. head, steel. .190-.375 AN116901-117080 Screw, oval fill. head, steel MS9016 Bushing Screw, plain MS9017 Bushing Screw, slotted MS9122-9123

Screw, machine slotted hex.

hd.

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Par 7-196 Page 7-342 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description MS9177-9178 Screw, dbl. hex. head, cres.

MS9183-9186 Screw, machine, steel, drilled 12 pt. hd., cad. plate MS9187-9188 Screw, drilled dbl. hex. head, cres.

MS9189-9192 Screw, machine, steel, 12 pt. hd., black oxide MS9206-9214 Screw, dbl. hex. ext. washer head, diffused nickel cad. plate MS9215-9223 Screw, dbl. hex. ext.

washer head, diffused nickel cad. plate, drilled MS9281-9291 Screw, machine, hex.

hd., AMS 6322 black oxide MS9292-9302 Screw, machine, hex. hd., AMS 6322 blk. oxide, drilled MS9316-9317 Screw, machine, steel slotted hex. head MS9438-9439 Screw, mach. steel AMS 6304 diffused nickel cad. hex. hd., one hole MS9631-9639 Screw, mach., hex. hd.

one hole, full shank, titanium AMS 4967 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description MS16198 Screw, wood, slotted RH austenitic corr. res.

steel MS16199 Screw, wood, slot flathead, copper silicone MS16995 Screw, cap, socket head hex., corr.

resisting steel UNC-3A MS16996 Screw, cap, socket head, hex., corr.

resisting steel UNF-3A MS16997 Screw, cap, socket head, hex., alloy steed cad. UNC-3A MS16998 Screw, cap, socket head, hex., alloy steel, cad. UNF-3A MS18063-18068 Setscrew, self-locking, cup, flat, cone pts., steel & stainless MS18211 Screw, machine, flathead, plastic, nylon MS18212 Screw, machine, panhead, plastic, nylon MS21090 Screw, self-lock, panhead, cross recessed MS21207 Screw, tapping, 100° clk. flathead., steel, cres. steel

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Par 7-196 Page 7-343 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description MS21262 Screw, self-lock, int. wrenching MS21277-21285 Screw, machine, double hex., ext.

washer head MS21286-21294 Screw, machine, double hex., ext.

washer head MS21295 Screw, self-lock, int. wrenching MS21318 Screw, drive, round head, Type U MS21342 Setscrew, fluted socket, cup and flat point MS24615-24618 Screw, tapping, phillips recessed, pan & 82° flathead Type A MS24619-24622 Screw, tapping, phillips recessed, pan & 82° flathead Type B MS24623-24626 Screw, tapping, cross recessed pan & 82° flathead, Type BF or BT MS24627-24630 Screw, tapping, thread cutting cross recessed pan & 82° flathead, Type F MS24667 & 24671 Screw, cap socket hd., flat, csk.

TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description MS24673-24678 Screw, cap socket hd., flat, drilled MS24693 Screw, machine, flat csk. head, 100° cross recess MS24694 Screw, machine, csk. flathead., 100° cross recess, structural MS27039 Screw, machine, panhead, structural, cross recessed MS35190-35203 Screw, machine 82° flathead., cross recessed, steel, brass, alum.

MS35206-35219 Screw, machine, panhead, cross recessed, steel, brass, alum.

MS35223-35234 Screw, machine, panhead, slotted, SS steel, steel MS35239-35243 Screw, machine, flathead., slotted, steel MS35265-35278 Screw, machine, drilled fillister head, slotted, SS steel, brass, alum.

MS35492-35493

Screw, wood, flathead, cross recessed MS35494-35495 Screw. wood, flat & round hd., slotted

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Par 7-196 Page 7-344 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description MS35914 Insert, screw, thread, self-tapping MS51017-51047 Setscrew, hex. socket SS & steel half dog, cone, flat, cup pt.

MS51861 Screw, tapping, type AB, panhead, cross recessed MS51862 Screw, tapping, type AB, flathead., cross recessed MS51957-51958 Screw, machine, panhead, cross recessed MS51959-51960 Screw, machine, flathead, cross recessed MS51963-51966 Setscrew, hex. socket, cup & flat point MS51973-51974 Setscrew, hex. socket, cone point MS51975 Screw, shoulder, socket head MS51976-51977 Setscrew, hex. socket, half dog point MS51981-51982 Setscrew, hex. socket, oval point TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description NAS220-237 Screw, brazier hd.

phillips recessed NAS384-385 Screw, oval head, phillips recessed 100°, 82°, steel NAS387-388 Screw, machine, oval hd., 100°, 82°, steel NAS514 Screw, machine, 100° flathead., fully threaded, al. steel NAS517 Screw, 100° flathead, close tol. 160,000 psi NAS548 Screw, 100° flathead, type B tapping NAS560 Screw, machine, 100° structural, hi-temp NAS600-606 Screw, machine, aircraft, panhead phillips recessed, full thr., steel NAS608-609 Screw, hex. socket cap, plain & selflocking, drilled head NAS623 Screw, panhead. thr.

short, 160,000 psi NAS720 Screw, panhead, assembled

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Par 7-196 Page 7-345 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description NAS1081 Setscrew, hex. socket, self-locking NAS1096 Screw, hex. head, recess, full thr.

NAS1100 Screw, machine, panhead, full thread, torq.-set NAS1101 Screw, machine, flat fill hd. full thread NAS1102 Screw, machine, 100° flathead. full thr. torq.- set NAS1121-1128 Screw, machine, flat fill hd., short thread, torq.-set NAS1131-1138 Screw, machine, pan hd., short thread, torq.-set NAS1141-1148 Screw, machine, panhead. modified, short thread torq.-set NAS1151-1158 Screw, machine, 100° flathead., sort thread, torq.-set NAS1161-1168 Screw, machine, 100° flathead., shear, torq.-set NAS1171-1178 Screw, panhead., shear, self-lock., torq.-set TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description NAS1181-1188 Screw, flat fill hd., self-locking, torq.-set NAS1189 Screw, flat 100° hd., full thread, self-locking NAS1190 Screw, panhead., self-locking, full thread NAS1191 Screw, flat fill. hd., full thread, self-locking NAS1216 Screw, panhead hi-torque, full thread NAS1217 Screw, panhead, hi-torque, short thread NAS1218 Screw, panhead, hi-torque, short thread NAS1219 Screw, 100° csk. hd., hi-torque, full thread NAS1220 Screw, 100° csk. hd., hi-torque, short thread NAS1221 Screw, 100° clk. hd., hi-torque, long thread NAS1298 Screw, shoulder, brazier head

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Par 7-196 Page 7-346 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description NAS1299 Screw, shoulder, 100° flathead NAS1300 Thumbscrew, drilled/undrilled NAS1301 Screw, panhead, assembled washers phillips recess NAS1351-1352 Socket Capscrew, hex. head, drilled/undrilled NAS1393 Screw, 82° flathead, torq-set NAS1402-1406 Screw, panhead, phillips recess NAS1579 Screw, panhead., full thread, 1200° F NAS1603-1610 Screw, flush head, .0312 O.S.

NAS1620-1628 Screw, machine, 100° flat short thread, torq-set NAS1630-1634 Screw, machine, panhead., short thread, torq.-set NAS1635 Screw, panhead cross recessed, full thread TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description NAS5000-5006 Screw, panhead, tri-wing recess, short thr., alloy stl.

NAS5100-5106 Screw, panhead, tri-wing recess, short thr., cres.

NAS5200-5206 Screw, panhead, tri-wing recess, short thr., cres.

NAS5300-5306 Screw, fillister head, tri-wing recess, full thr., alloy stl.

NAS5400-5406 Screw, fillister hd., tri-wing recess, full thr., cres.

NAS5500-5506 Screw, fillister hd., triwing recess, full thr., titanium NAS5600-5606 Screw, 100° head, tri-wing recess, full thr., alloy stl.

NAS5700-5706 Screw, 100° head, tri-wing recess, full thr., cres.

NAS5800-5806 Screw, 100° head, tri-wing recess, full thr., titanium NAS5900-5903 Screw, hex. Head, tri-wing recess, full thr., alloy stl.

NAS6000-6003 Screw, hex. Head, tri-wing recess, full thr., cres.

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Par 7-196 Page 7-347 TABLE 7-11. (CONTINUED) Screw MS, AN, or NAS Number Description NAS6100-6103 Screw, hex head, tri-wing recess, full thr., titanium NAS6500-6506 Screw, 100° oval hd., tri-wing recess, full thr., cres.

NAS6900-6904 Screw, panhead, tri-wing recess, full thr., cres.

TABLE 7-12. TABLE OF BOLTS.

Bolt Number Description AN3-20

Bolt, machine AN21-36

Bolt, clevis AN42-49

Bolt, eye AN73-81

Bolt, machine, drilled AN173-186

Bolt, aircraft Close tolerance AN774

Bolt, flared tube AN775

Bolt, universal fitting

TABLE 7-12. (CONTINUED) Bolt Number Description AN148551-149350

Bolt, socket head, 6-hole drilled, .190- .625 AN101001-101900

Bolt, hex, steel, head AN101901-102800

Bolt, hex., drilled shank, steel AN102801-103700

Bolt. Drilled hex. Head, (one hole), steel AN103701-104600

Bolt, drilled hex. Head, steel, (six holes) AN104601-105500

Bolt, hex. Head, corrosion-resistant steel AN105501-106400

Bolt, hex. Head, drilled shank, corrosion-resistant steel AN106401-107300

Bolt, hex., drilled head, (one holes), corrosion-resistant steel AN107301-108200

Bolt, hex., drilled head, (six holes), corrosion-resistant steel MS9033-9039 Bolt, machine 12pt.

Head, 130,000 psi min.

T.S.

MS9060-9066 Bolt, machine 12pt.

Double hex. 130,000 psi min. T.S. ext.

washer head, drilled

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Par 7-196 Page 7-348 TABLE 7-12. (CONTINUED) Bolt Number Description MS9088-9094

Bolt, machine, steel, drilled 12 pt. head MS9110-9113

Bolt, machine, double hex., ext. washer head, close tolerance MS9146-9152

Bolt, steel, 12 pt. hd.

black oxide 125,000 psi min. T.S.

MS9157-9163

Bolt, steel, 12pt. hd.

black oxide 125,000 psi min. T.S.

MS9169-9175

Bolt, steel, 12 pt. drilled hd., black oxide 125,000 psi min. T.S.

MS9224

Bolt, 12 pt. head, heat resistant MS9397-9402

Bolt, tee head, AMS 6322, chamfered cad. pl.

MS9432-9437

Bolt, tee head AMS 5735 chamfered MS9440-9448

Bolt, mach. steel.

AMS 6304 diffused nickel cad. hex. hd., 3 holes MS9449-9459

Bolt, mach. steel, AMS 6304 diffused nickel cad., hex. head MS9487-9497

Bolt, mach. hex. hd. full shank, AMS 5731

TABLE 7-12. (CONTINUED) Bolt Number Description MS9498-9508

Bolt, mach. hex. hd., 1 hole, full shank MS9516-9526

Bolt, mach., steel AMS 6322 cad.

1 hole hex. hd.

MS9527-9537

Bolt, mach., steel AMS 6322 cad.

1 hole hex. hd.

MS9554-9562

Bolt, mach., dbl. hex.

ext. wash. hd., PD shank, AMS 5731 MS9563-9571 Bolt, mach., dbl. hex.

ext. wash. hd. drilled, AMS 5731 MS9572-9580

Bolt, mach., dbl. hex.

ext. wash. hd., drilled, PD shank AMS 5731 silver plated MS9583-9591

Bolt, mach., hex. hd.

6 holes full shank, AMS 5731 MS9622-9630

Bolt, mach., hex. hd. 1 hole, PD shank, titanium AMS 4967 MS9641-9648

Bolt, mach., hex. hd., 1 hole, full shank titanium AMS 4967 MS9649-9652

Bolt, mach., hex. hd.

full shank, titanium AMS 4967 MS9676-9679

Bolt, mach., dbl. hex.

ext. wash. hd., cup washer locked, cres.

AMS 5731

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Par 7-196 Page 7-349 TABLE 7-12. (CONTINUED) Bolt Number Description MS9680-9683

Bolt, mach., dbl. hex.

ext. wash. hd., cup washer locked, steel AMS 6322 cad.

MS9685-9693

Bolt, mach., hex. hd. 1 hole, PD shank, steel AMS 6304 diffused nickel cad.

MS9694-9702

Bolt mach. dbl. hex.

ext. wash. hd. AMS 5708 MS9703-9711

Bolt, mach., dbl. hex.

ext. wash. hd., drilled, AMS 5708 MS9712-9720

Bolt, mach. dbl. hex.

ext. wash. hd. drilled, AMS 5708 silver plate MS9730-9738

Bolt, mach., dbl. hex.

ext. wash. hd.

PD shank, cres. AMS 5643 MS9739-9747

Bolt, mach. dbl. hex.

est. wash, hd. drilled, PD shank, cres. AMS 5643 MS9748-9756

Bolt, mach. dbl. hex.

ext. wash. hd. PD shank, titanium AMS 4967 MS9757-9765

Bolt, mach., dbl. hex.

ext. wash. hd., PD shank, drilled, titanium AMS 4967 MS9781-9791

Bolt, hex. hd., mach.

full shank, AMS 5643 MS9792-9802

Bolt, mach., hex. hd.

1 hole, full shank, AMS 5643

TABLE 7-12. (CONTINUED) Bolt Number Description MS9803-9813

Bolt, mach., hex. Hd.

1 hole, full shank, AMS 5643 MS9814-9824

Bolt, mach., hex. Hd.

1 hole, PD shank, AMS 5643 MS9883-9891

Bolt, mach., dbl. Hex.

Ext. wash. Hd., AMS 5616 MS9892-9900

Bolt mach., dbl. Hex.

Ext. wash. Hd., AMS 5616 drilled MS9912-9920

Bolt, mach., dbl. Hex.

Ext. wash. Hd., PD shank, steel AMS 6322 cad.

MS9921-9929

Bolt, mach., dbl. Hex.

Ext. wash hd. PD shank, steel AMS 6322 cad. Drilled MS9930-9938

Bolt, mach., dbl. Hex.

Ext. wash. Hd., full shank, steel AMS 6322 cad.

MS9939-9946

Bolt, mach., dbl. Hex.

Ext. wash. Hd., drilled, full shank, steel AMS 6322 cad.

MS20004-20024

Bolt, int. wrench, 160 KSI MS20033-20046

Bolt, machine, hex. Head, 1200 °F MS20073-20074

Bolt, machine, aircraft, drilled hd., fine & coarse thr.

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Par 7-196 Page 7-350 TABLE 7-12. (CONTINUED) Bolt Number Description MS21091-21093

Bolt, self-lock., 100° flush head, cross recessed MS21094-21095

Bolt, self-lock., hex.

head MS21096-21097

Bolt, self-lock., panhead, crass recessed MS21098-21099

Bolt, self-lock., 12 pt.

ext. wrenching MS21250

Bolt, 12 pt., ext. wrenching NAS144-158

Bolt, internal wrenching, steel, 1/4-28 thru 1-1/8-12 NAS333-340 Bolt, 100°, close tolerance, hi-strength NAS428

Bolt, adjusting, crowned hex. hd.

NAS464

Bolt, shear, close tolerance NAS501

Bolt, hex. head, drilled & undrilled NAS551

Bolt, universal fitting

TABLE 7-12. (CONTINUED) Bolt Number Description NAS563-572 Bolt, full thread, fully identified head NAS583-590 Bolt, 100° head, hi-torque, close tol.

160,000 psi NAS624-644 Bolt, twelve point external wrench, 180000 psi NAS653-658

Bolt, hex. head, close tolerance, ti. alloy NAS663-668

Bolt, full thread, fully identified head NAS673-678

Bolt, hex. head, close tolerance, ti. alloy NAS1003-1020

Bolt, machine, hex. head NAS1053

Eye Bolt Assembly, Shoulder nut NAS1083

Bolt, 100° flathead, titanium alloy NAS1103-1120 Bolt, machine, hex. head NAS1202-1210 Bolt, 100° phil.

recessed, close tolerance, 16,000 psi