# NSN 5310-01-197-6421: Washer, Flat

NSN 5310-01-197-6421 (also written 5310011976421; NIIN 01-197-6421) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-197-6421 (5310011976421)
- NIIN: 01-197-6421 (011976421)
- 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/)

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-05 | [SPE4A626V289Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011976421) | WASHER, FLAT | DEFENSE SUPPORT SERVICES, INC. | $4,692.48 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011976421&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011976421
- 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/5310-01-197-6421/
JSON: https://nsnexplorer.com/api/nsn/5310-01-197-6421.json