The Valve,safety Relief, cataloged under National Stock Number 4820-01-472-3261, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-472-3261 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | BALL |
| FSC Application Data | USED ON HAND DRIVEN HYDRAULIC RAM PUMP ASSEMBLY NSN 4320-00-814-8431 |
| Operating Pressure | 5992.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 53C22096-6 | 5/2 Secondary reference U.S. Government activity |
| 53C22096-6 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-472-3261 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-472-3261: Flow Control Device: BALL; FSC Application Data: USED ON HAND DRIVEN HYDRAULIC RAM PUMP ASSEMBLY NSN 4320-00-814-8431; Operating Pressure: 5992.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: SAFETY VALVE BYPASS SET AT 5923.0 P.S.I. PORM 69.0 P.S.I.. 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.