# NSN 5310-00-283-0991: Washer, Spring Tension

NSN 5310-00-283-0991 (also written 5310002830991; NIIN 00-283-0991) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-283-0991 (5310002830991)
- NIIN: 00-283-0991 (002830991)
- 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 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 |
| --- | --- | --- |
| HEAT | HEAT TREATMENT | QUENCHED AND TEMPERED |
| CBBL | FEATURES PROVIDED | CASE-HARDENED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC 1ST MATERIAL RESPONSE QQ-S-700 OR MIL SPEC 1ST MATERIAL RESPONSE -IL-S-46049 OR ASSN STD 1ST MATERIAL RESPONSE AST- A682 OR ASSN STD 2ND MATERIAL RESPONSE SAE |
| MATT | MATERIAL | OVERALL STEEL COMP 1065 OR STEEL COMP 1566 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 7.810 AND INCHES MAXIMUM 7.830 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.281 AND INCHES MAXIMUM 0.287 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 5.130 AND INCHES MAXIMUM 5.140 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 42.0 AND ROCKWELL C MAXIMUM 47.0 |
| STYL | STYLE DESIGNATOR | — |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.093 AND INCHES MAXIMUM 0.095 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310002830991 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310002830991 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6766387 | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6766387 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7708752 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [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=5310002830991&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002830991
- 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/5310-00-283-0991/
JSON: https://nsnexplorer.com/api/nsn/5310-00-283-0991.json