The Valve,safety Relief, cataloged under National Stock Number 4820-01-317-9118, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Smr Acquisition Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Smr Acquisition Llc (CAGE 0ACH0) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-317-9118 |
| Primary Part Number | 2379-01 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Smr Acquisition Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 2379-01 PRIMARY | Smr Acquisition Llc (USA) |
| Reference | Meaning |
|---|---|
| 2379-01 | 5/9 Secondary reference U.S. Government activity |
| 17B1N4021-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-01-317-9118 is a Valve,safety Relief, manufactured by Smr Acquisition Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-317-9118 has 1 manufacturer part number on file: 2379-01 (Smr Acquisition Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-496-5431. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.