# NSN 5310-01-721-9251: Washer, Flat

NSN 5310-01-721-9251 (also written 5310017219251; NIIN 01-721-9251) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-721-9251 (5310017219251)
- NIIN: 01-721-9251 (017219251)
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 810181005 | 830R7 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DIV FLEET SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 875034041 | 830R7 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DIV FLEET SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 875034041-12 | 830R7 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DIV FLEET SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310017219251&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310017219251
- 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/5310-01-721-9251/
JSON: https://nsnexplorer.com/api/nsn/5310-01-721-9251.json