# NSN 5310-00-137-6522: Washer, Key

NSN 5310-00-137-6522 (also written 5310001376522; NIIN 00-137-6522) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-137-6522 (5310001376522)
- NIIN: 00-137-6522 (001376522)
- 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 |
| --- | --- | --- |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES NOMINAL 0.432 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES NOMINAL 0.093 |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | INCHES NOMINAL 0.146 |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | INCHES NOMINAL 0.090 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-5541 |
| ABKY | EXTERNAL PREBENT KEY LENGTH | INCHES NOMINAL 0.078 |
| ABMQ | EXTERNAL KEY QUANTITY | 8 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-250 TO 8 H34 |
| SFTT | SURFACE TREATMENT | OVERALL CHROMATE |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 5052 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.020 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.050 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.287 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS17186-1 | 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/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-1640 | 125 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001376522&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001376522&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001376522
- 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/5310-00-137-6522/
JSON: https://nsnexplorer.com/api/nsn/5310-00-137-6522.json