# NSN 5310-01-338-6838: Washer, Key

NSN 5310-01-338-6838 (also written 5310013386838; NIIN 01-338-6838) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 5310-01-338-6838 (5310013386838)
- NIIN: 01-338-6838 (013386838)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.352 AND INCHES MAXIMUM 0.362 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.502 AND INCHES MAXIMUM 0.507 |
| ABKY | EXTERNAL PREBENT KEY LENGTH | INCHES MAXIMUM 0.110 |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.145 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.028 AND INCHES MAXIMUM 0.034 |
| MATT | MATERIAL | OVERALL STEEL COMP 301 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5510 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1255112 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 70330046-01 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS9880-11 | 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 |
| --- | --- | --- | --- | --- |
| 2026-11-05 | [SPE4A122G0014/SPE4A527F1026](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013386838) | WASHER, KEY | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | $1,000.02 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013386838&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013386838
- 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/5310-01-338-6838/
JSON: https://nsnexplorer.com/api/nsn/5310-01-338-6838.json