# NSN 5310-01-026-0392: Washer, Key

NSN 5310-01-026-0392 (also written 5310010260392; NIIN 01-026-0392) 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: 5310-01-026-0392 (5310010260392)
- NIIN: 01-026-0392 (010260392)
- 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 |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 3.900 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 4.680 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.355 AND INCHES MAXIMUM 0.360 |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | INCHES MINIMUM 0.355 AND INCHES MAXIMUM 0.360 |
| ABLK | INTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.355 AND INCHES MAXIMUM 0.360 |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | INCHES NOMINAL 1.830 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES NOMINAL 5.300 |
| ABMQ | EXTERNAL KEY QUANTITY | 19 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.090 |
| CSKN | EXTERNAL PREBENT KEY ANGLE | DEGREES NOMINAL 45.0 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11655771 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310010260392 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [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=5310010260392&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010260392
- 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/5310-01-026-0392/
JSON: https://nsnexplorer.com/api/nsn/5310-01-026-0392.json