# NSN 5310-00-159-6283: Washer, Key

NSN 5310-00-159-6283 (also written 5310001596283; NIIN 00-159-6283) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-159-6283 (5310001596283)
- NIIN: 00-159-6283 (001596283)
- 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 |
| --- | --- | --- |
| STYL | STYLE DESIGNATOR | — |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES MAXIMUM 3.344 |
| CQFM | HARDNESS RATING | ROCKWELL B MINIMUM 70.0 AND ROCKWELL B MAXIMUM 90.0 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD ALL MATERIAL RESPONSES 66 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 2.844 AND INCHES MAXIMUM 2.874 |
| HEAT | HEAT TREATMENT | ANNEALED |
| MATT | MATERIAL | OVERALL STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.204 AND INCHES MAXIMUM 0.234 |
| ABMQ | EXTERNAL KEY QUANTITY | 17 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 2.400 AND INCHES MAXIMUM 2.425 |
| ABLK | INTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.250 AND INCHES MAXIMUM 0.290 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.058 AND INCHES MAXIMUM 0.068 |
| ABLB | INTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.156 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |

## 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/) |
| MS19070-123 | 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/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7M226V5413](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001596283) | WASHER, KEY | J. T. D. STAMPING CO INC | $6,166.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001596283&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001596283
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5310-00-159-6283/
JSON: https://nsnexplorer.com/api/nsn/5310-00-159-6283.json