# NSN 1630-00-939-8945: Seat Assy, Brake CYL

NSN 1630-00-939-8945 (also written 1630009398945; NIIN 00-939-8945) is a seat assy, brake cyl in Federal Supply Class 1630, Aircraft Wheel and Brake Systems. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 1630-00-939-8945 (1630009398945)
- NIIN: 00-939-8945 (009398945)
- Item name: SEAT ASSY,BRAKE CYL
- Federal Supply Class: [FSC 1630 Aircraft Wheel and Brake Systems](https://nsnexplorer.com/fsc/1630/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| HP891142-1 | 70236 | TACTAIR FLUID CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HP891142-1 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1630009398945&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630009398945
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/1630-00-939-8945/
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