# NSN 5310-00-557-8195: Washer, Spring Tension

NSN 5310-00-557-8195 (also written 5310005578195; NIIN 00-557-8195) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-557-8195 (5310005578195)
- NIIN: 00-557-8195 (005578195)
- Item name: WASHER,SPRING TENSION
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| STYL | STYLE DESIGNATOR | — |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.750 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.196 AND INCHES MAXIMUM 0.201 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.025 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.066 AND INCHES MAXIMUM 0.076 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC AND CHROMATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3-214575-2-323 | 73682 | GARRETT GEORGE K CO DIV MSL INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 917B597-1 | 54368 | AERO SPRING & MANUFACTURING COMPANY, INC. DBA AERO SPRING & MANUFACTURING CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 917B597-1 | 83843 | SUNDSTRAND CORP ELECTRIC POWER SYSTEMS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 917B597-1 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 917B597-1 | U3760 | WESTINGHOUSE SIGNALS LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4AX25D5000/SPE4A226F5208](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005578195) | WASHER, SPRING TENSI | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | $582.65 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310005578195&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005578195
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5310-00-557-8195/
JSON: https://nsnexplorer.com/api/nsn/5310-00-557-8195.json