# NSN 4820-01-625-4664: Valve, Safety Relief

NSN 4820-01-625-4664 (also written 4820016254664; NIIN 01-625-4664) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-625-4664 (4820016254664)
- NIIN: 01-625-4664 (016254664)
- 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/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

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

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2633-100-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 801-6640965 PC 302-2 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PHFA2815340D | 92555 | THE LEE CO DBA THE LEE CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-31 | $3,432.29 | 3 | DREAMFIND, INC. DBA DREAMFIND INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016254664) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE7M026V5421](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016254664) | VALVE, SAFETY RELIEF | DREAMFIND, INC. DBA DREAMFIND INC | $10,296.87 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820016254664&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016254664
- 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/4820-01-625-4664/
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