# NSN 5340-00-937-2571: Seat, Helical Compression Spring

NSN 5340-00-937-2571 (also written 5340009372571; NIIN 00-937-2571) is a seat, helical compression spring in Federal Supply Class 5340, Hardware, Commercial. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5340-00-937-2571 (5340009372571)
- NIIN: 00-937-2571 (009372571)
- Item name: SEAT,HELICAL COMPRESSION SPRING
- Federal Supply Class: [FSC 5340 Hardware, Commercial](https://nsnexplorer.com/fsc/5340/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| AAWY | COUNTERBORE DIAMETER | INCHES NOMINAL 0.6410 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.6050 |
| ABPR | FIRST STEP DIAMETER | INCHES NOMINAL 0.7190 |
| ABXV | BORE DIAMETER | INCHES NOMINAL 0.3090 |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALME | MATERIAL HARDNESS RATING | ROCKWELL C MINIMUM 32.0 |
| APGF | DESIGN TYPE | SPLIT |
| AYRZ | COUNTERSINK DIAMETER | INCHES NOMINAL 0.3750 |
| BBRB | END DIAMETER | INCHES NOMINAL 0.4020 |
| BZDH | DISTANCE FROM END TO FIRST STEP | INCHES NOMINAL 0.2950 |
| BZDL | COUNTERBORE LENGTH | INCHES NOMINAL 0.2700 |
| BZMH | SPHERICAL SEAT TOP RADIUS | INCHES NOMINAL 0.3000 |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STYL | STYLE DESIGNATOR | — |
| ZZZV | FSC APPLICATION DATA | AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 700324 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [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=5340009372571&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340009372571
- 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/5340-00-937-2571/
JSON: https://nsnexplorer.com/api/nsn/5340-00-937-2571.json