# NSN 5331-99-730-4828: O-Ring

NSN 5331-99-730-4828 (also written 5331997304828; NIIN 99-730-4828) is an o-ring in Federal Supply Class 5331, O-Rings. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-99-730-4828 (5331997304828)
- NIIN: 99-730-4828 (997304828)
- Item name: O-RING
- Federal Supply Class: [FSC 5331 O-Rings](https://nsnexplorer.com/fsc/5331/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | $1.54 | 343 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331997304828) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [N00383-23-G-A/SPE7L126F204Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331997304828) | O-RING | MARTIN-BAKER AIRCRAFT COMPANY LIMITED | $528.22 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331997304828&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331997304828
- 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/5331-99-730-4828/
JSON: https://nsnexplorer.com/api/nsn/5331-99-730-4828.json