# NSN 5310-00-316-6979: Washer, Key

NSN 5310-00-316-6979 (also written 5310003166979; NIIN 00-316-6979) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-316-6979 (5310003166979)
- NIIN: 00-316-6979 (003166979)
- Item name: WASHER,KEY
- 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 |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD ALL MATERIAL RESPONSES 66 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.118 AND INCHES MAXIMUM 0.132 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 4.395 AND INCHES MAXIMUM 4.425 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 5.281 AND INCHES MAXIMUM 5.326 |
| ABLB | INTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.250 AND INCHES MAXIMUM 0.312 |
| STYL | STYLE DESIGNATOR | — |
| ABMQ | EXTERNAL KEY QUANTITY | 19 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE AND ZINC AND CHROMATE |
| MATT | MATERIAL | OVERALL STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1026 OR STEEL COMP 1030 OR STEEL COMP 1034 OR STEEL COMP 1035 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.360 AND INCHES MAXIMUM 0.390 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES MAXIMUM 6.062 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC 1ST TREATMENT RESPONSE QQ--416,TYE 2,CLASS 3 OR ASSN STD 2ND TREATMENT RESPONSE AST- B633,TYE 2,CLASS 3 |
| ABLK | INTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.313 AND INCHES MAXIMUM 0.353 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MIL-W-21338 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS19070-222 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [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=5310003166979&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310003166979
- 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/5310-00-316-6979/
JSON: https://nsnexplorer.com/api/nsn/5310-00-316-6979.json