# NSN 5310-01-528-4379: Washer, Seal

NSN 5310-01-528-4379 (also written 5310015284379; NIIN 01-528-4379) is a washer, seal in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 5310-01-528-4379 (5310015284379)
- NIIN: 01-528-4379 (015284379)
- Item name: WASHER,SEAL
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

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

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 126-1757 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 126-1757 | Z02C9 | WESTRAC EQUIPMENT PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 126-1757 | Z0939 | CATERPILLAR OF AUSTRALIA PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 126-1757 | Z2ZA9 | WILLIAM ADAMS PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 126-1757 | ZF912 | HASTINGS DEERING (AUST) PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 16KP211 | 45152 | OSHKOSH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 16KP211 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-03 | [SPE7LX21D0087/SPE7LX27FA1A2](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015284379) | WASHER, SEAL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.68 |
| 2026-10-21 | [SPE7LX21D0087/SPE7LX27FA57N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015284379) | WASHER, SEAL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $31.24 |
| 2026-08-28 | [SPE7LX21D0087/SPE7LX26FB3NK](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015284379) | WASHER, SEAL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.50 |
| 2026-08-20 | [SPE7LX21D0087/SPE7LX26FB1BJ](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015284379) | WASHER, SEAL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.50 |
| 2026-08-05 | [SPE7LX21D0087/SPE7LX26FB2H3](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015284379) | WASHER, SEAL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015284379&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015284379
- 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/5310-01-528-4379/
JSON: https://nsnexplorer.com/api/nsn/5310-01-528-4379.json