# NSN 5310-01-364-6439: Washer, Flat

NSN 5310-01-364-6439 (also written 5310013646439; NIIN 01-364-6439) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-364-6439 (5310013646439)
- NIIN: 01-364-6439 (013646439)
- Item name: WASHER,FLAT
- 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 2026-11-04)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 9R-1510 | U8468 | FINNING (UK) LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9R-1510 | Z02C9 | WESTRAC EQUIPMENT PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9R-1510 | Z8Q46 | WILLIAM ADAMS PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9R-1510 | ZF912 | HASTINGS DEERING (AUST) PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9R1510 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CV162474D | KCQ24 | TVS SUPPLY CHAIN SOLUTIONS LIMITED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB7L7](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013646439) | WASHER, FLAT | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $11.18 |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB7J8](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013646439) | WASHER, FLAT | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $11.18 |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB7H8](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013646439) | WASHER, FLAT | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $11.18 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013646439&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013646439
- 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/5310-01-364-6439/
JSON: https://nsnexplorer.com/api/nsn/5310-01-364-6439.json