The Valve,safety Relief, cataloged under National Stock Number 4820-01-453-9046, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dana Commercial Vehicle Products, Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-453-9046 |
| Primary Part Number | 673201 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dana Commercial Vehicle Products, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Maximum Operating Temp | 71.0 CELSIUS SINGLE RESPONSE DEGC |
| Material | ALUMINUM ALLOY 6061 BODY |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-453-9046 is a Valve,safety Relief, manufactured by Dana Commercial Vehicle Products, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-453-9046 has 3 manufacturer part numbers on file: 673201 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 673201 (Dana Commercial Vehicle Products, Llc), 673201 (Amz Alabama Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5355-01-557-5473. Verify interchangeability with system specifications before substitution.
Key specifications for 673201: Flow Control Device: DISK; Maximum Operating Temp: 71.0 CELSIUS SINGLE RESPONSE DEGC; Special Features: FOR NSN 4820-01-272-2769; End Item Identification: TRUCK, FAMILY OF MEDIUM TACTICAL VEHICLE(FMTV)-LIGHT; 2320-01-353-9098. 4 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.