# STC SA3995NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: ITT Aerospace Controls, United States
- Description: Installation of ITT Aerospace Controls part number 1163P18-5 Pressure Switch.
- Applied: February 12, 1988
- Status date: March 26, 1989
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5516A11CD116CDAB86256E75005530B7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3995NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 737-100 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

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