# NSN 5310-00-727-8987: Washer, Key

NSN 5310-00-727-8987 (also written 5310007278987; NIIN 00-727-8987) 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: 5310-00-727-8987 (5310007278987)
- NIIN: 00-727-8987 (007278987)
- 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 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL STEEL COMP 4130 |
| ABLK | INTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.280 AND INCHES MAXIMUM 0.300 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2481 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES MINIMUM 2.470 AND INCHES MAXIMUM 2.500 |
| ABMQ | EXTERNAL KEY QUANTITY | 17 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 1.792 AND INCHES MAXIMUM 1.817 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6350 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 2.062 AND INCHES MAXIMUM 2.082 |
| ABLB | INTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.156 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.204 AND INCHES MAXIMUM 0.234 |
| STYL | STYLE DESIGNATOR | — |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.058 AND INCHES MAXIMUM 0.068 |
| SFTT | SURFACE TREATMENT | OVERALL PHOSPHATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS172210 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS172210 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS172210 | 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/) |
| SAE AS17220THRUAS172234 | 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/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-1818 | 1,626 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310007278987&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310007278987&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310007278987
- 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/5310-00-727-8987/
JSON: https://nsnexplorer.com/api/nsn/5310-00-727-8987.json