# NSN 4820-99-373-6251: Valve, Safety Relief

NSN 4820-99-373-6251 (also written 4820993736251; NIIN 99-373-6251) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-99-373-6251 (4820993736251)
- NIIN: 99-373-6251 (993736251)
- Item name: VALVE, SAFETY RELIEF
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7M126PA778](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820993736251) | VALVE, SAFETY RELIEF | — | $2,525.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820993736251&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820993736251
- 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/4820-99-373-6251/
JSON: https://nsnexplorer.com/api/nsn/4820-99-373-6251.json