The Valve,safety Relief, cataloged under National Stock Number 4820-01-446-4080, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dunns Valve Testers Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-446-4080 |
| Primary Part Number | 360001 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dunns Valve Testers Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 360001 PRIMARY | Dunns Valve Testers Inc (USA) |
| MODEL 006 ITEM 21,37 | Dunns Valve Testers Inc (USA) |
NSN 4820-01-446-4080 is a Valve,safety Relief, manufactured by Dunns Valve Testers Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-446-4080 has 2 manufacturer part numbers on file: 360001 (Dunns Valve Testers Inc), MODEL 006 ITEM 21,37 (Dunns Valve Testers Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5410-01-503-3367, 2910-01-671-7566. Verify interchangeability with system specifications before substitution.
Key specifications for 360001: End Item Identification: NIMITZ CLASS CVN. 0 specifications are documented in the U.S. Government catalog.
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.