# NSN 5310-01-066-3928: Washer, Key

NSN 5310-01-066-3928 (also written 5310010663928; NIIN 01-066-3928) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-066-3928 (5310010663928)
- NIIN: 01-066-3928 (010663928)
- 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 MINIMUM 1.980 AND INCHES MAXIMUM 1.990 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 2.990 AND INCHES MAXIMUM 3.030 |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | INCHES MINIMUM 0.280 AND INCHES MAXIMUM 0.290 |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | INCHES MINIMUM 0.830 AND INCHES MAXIMUM 0.840 |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.370 AND INCHES MAXIMUM 0.380 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 35.0 AND ROCKWELL C MAXIMUM 40.0 |
| CSYM | SURFACE FINISH | TOP MICROINCHES 63.0 |
| CSYM | SURFACE FINISH | BOTTOM MICROINCHES 63.0 |
| HEAT | HEAT TREATMENT | QUENCHED AND TEMPERED |
| MATT | MATERIAL | OVERALL STEEL COMP 1035 OR STEEL COMP 1045 OR STEEL COMP 1050 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL MATERIAL RESPONSES QQ-S-700 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12274522 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310010663928 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310PL2266654 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| XM60445 | 12204 | CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-2113 | 64 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010663928&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010663928&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010663928
- 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/5310-01-066-3928/
JSON: https://nsnexplorer.com/api/nsn/5310-01-066-3928.json