# PMA parts: Rolls-Royce 250-C300/A1 A list on [Rolls-Royce 250-C300/A1](https://openairdocs.org/engine/rolls-royce-250-c300-a1.md). Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. Page 1 of 10 · 476 PMA parts - [953515-5HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198230829620240806153127.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 953515-5 · Apr 19, 2024 - [2540118HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197967007120240806153126.0001): Sleeve, Drive · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2540118 · Apr 19, 2024 - [2522102HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197263196720240806153124.0001): Pin, Straight, Headless · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2522102 · Apr 19, 2024 - [2525104HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196868118920240806153115.0001): Gasket · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2525104 · Apr 19, 2024 - [953508-8HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195845528120240806153123.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 953508-8 · Apr 19, 2024 - [2523240HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194020243820240806153124.0001): Bearing, Ball · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523240 · Apr 19, 2024 - [2523237HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192637502520240806153114.0001): Bearing, Ball · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523237 · Apr 19, 2024 - [366783HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191518234820240806153121.0001): Washer, Crush · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 366783 · Apr 19, 2024 - [951390HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190805198320240806153122.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951390 · Apr 19, 2024 - [2523475HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188463059820240806153114.0001): Gasket · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523475 · Apr 19, 2024 - [911241HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187211939220240806153121.0001): Washer, Flat · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 911241 · Apr 19, 2024 - [2541865HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187060334220240806153118.0001): Fitting, Filter – Py · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2541865 · Apr 19, 2024 - [2538982HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186402716120240806153118.0001): Nut · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2538982 · Apr 19, 2024 - [336132HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186038916720240806153120.0001): Tapered Pin, Split · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 336132 · Apr 19, 2024 - [2537747HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183482541520240806153117.0001): Diaphragm, By-Pass Valve · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537747 · Apr 19, 2024 - [343673HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183448310620240806153120.0001): Bearing, Ball · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 343673 · Apr 19, 2024 - [2539179HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174834881420240806153125.0001): Bearing, Sintered · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539179 · Apr 19, 2024 - [2523123HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169800961820240806153113.0001): Diaphragm · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523123 · Apr 19, 2024 - [2523280HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166194098420240806153124.0001): Seat, Valve · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523280 · Apr 19, 2024 - [2523862HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164077040320240806153115.0001): Weight · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523862 · Apr 19, 2024 - [82010546-001HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162439009820240806153127.0001): Bearing, Ball (Drive) · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 82010546-001 · Apr 19, 2024 - [951394HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162210222220240806153122.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951394 · Apr 19, 2024 - [953515-4HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162016971520240806153124.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 953515-4 · Apr 19, 2024 - [566-S-22HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159994137220240806153121.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 566-S-22 · Apr 19, 2024 - [2520488HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159863734220240806153112.0001): Gasket · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2520488 · Apr 19, 2024 - [2525170HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156536116320240806153115.0001): Bushing · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2525170 · Apr 19, 2024 - [2537967HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156130736720240806153118.0001): Pin, Straight, Headless · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537967 · Apr 19, 2024 - [2543734HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154262461620240806153119.0001): Bearing, Ball · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2543734 · Apr 19, 2024 - [2537677HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153584275520240806153116.0001): Pin, Straight, Headless · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537677 · Apr 19, 2024 - [2526146HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151866824120240806153115.0001): Bearing Assembly, Spool · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2526146 · Apr 19, 2024 - [2523549HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151640419920240806153114.0001): Tube · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523549 · Apr 19, 2024 - [2537678HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150291725420240806153117.0001): Screw · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537678 · Apr 19, 2024 - [2544027HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149078741120240806153119.0001): Screw, Allen Head · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2544027 · Apr 19, 2024 - [2537568HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148354740820240806153116.0001): Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537568 · Apr 19, 2024 - [2523242HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147671082320240806153114.0001): Spacer · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523242 · Apr 19, 2024 - [2666850-11HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146894977720240806153126.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2666850-11 · Apr 19, 2024 - [343698HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145578638320240806153121.0001): Pin · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 343698 · Apr 19, 2024 - [2523106HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143236384320240806153113.0001): Screen · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523106 · Apr 19, 2024 - [2543133HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141157213520240806153126.0001): Cover Assembly · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2543133 · Apr 19, 2024 - [2539533HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141060818620240806153125.0001): Bearing, Sintered · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539533 · Apr 19, 2024 - [2520561HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140670092220240806153112.0001): Roller · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2520561 · Apr 19, 2024 - [2522105HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139886668120240806153124.0001): Spacer · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2522105 · Apr 19, 2024 - [2540117HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139016934520240806153126.0001): Spline, Drive · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2540117 · Apr 19, 2024 - [2539728HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132648741620240806153118.0001): Seat, Bellows · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539728 · Apr 19, 2024 - [2544026HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132478945820240806153119.0001): Plate, Retaining · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2544026 · Apr 19, 2024 - [951400HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131458458320240806153123.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951400 · Apr 19, 2024 - [951388HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127129729020240806153122.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951388 · Apr 19, 2024 - [2523282HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127064154420240806153125.0001): Seat, Valve · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523282 · Apr 19, 2024 - [2520569HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126382890320240806153112.0001): Bushing · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2520569 · Apr 19, 2024 - [951790HT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125947150920240806153123.0001): Packing, Preformed “O” Ring · HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951790 · Apr 19, 2024 Next page: https://openairdocs.org/engine/rolls-royce-250-c300-a1/pma.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet' WHERE tcds_number IN ('E4CE') AND len(list_intersect(tcds_models, ['250-C300/A1'])) > 0 ORDER BY supplement_date DESC, drs_guid DESC ``` This list as a web page: https://openairdocs.org/engine/rolls-royce-250-c300-a1/pma --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.