The Valve,safety Relief, cataloged under National Stock Number 4820-01-318-4739, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Marine North America Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-318-4739 |
| Primary Part Number | 23038473 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rolls-Royce Marine North America Inc. |
| Status | ACTIVE |
| Adjustable Pressure Range | +15.7 TO 17.7 POUNDS PER SQUARE INCH LBS |
| Disk Loading Method | SPRING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-318-4739 is a Valve,safety Relief, manufactured by Rolls-Royce Marine North America Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-318-4739 has 2 manufacturer part numbers on file: 23038473 (Rolls-Royce Corporation), 23038473 (Rolls-Royce Marine North America Inc.).
Key specifications for 23038473: Adjustable Pressure Range: +15.7 TO 17.7 POUNDS PER SQUARE INCH LBS; Disk Loading Method: SPRING. 2 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.