The Valve,safety Relief, cataloged under National Stock Number 4820-01-629-8628, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Command Controls Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-629-8628 |
| Primary Part Number | RVPS-10-N-C-0-50 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Command Controls Corp |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (SCREW-IN CARTRIDGE) FIRST END |
| Minimum Operating Temp | -40.0 CELSIUS DEGC |
| Connection Type | THREADED CARTRIDGE FIRST END |
| Style Designator | SCREW-IN CARTRIDGE |
| Valve Size | 0.875 INCHES IN |
| Adjustable Pressure Range | +50.0 TO 5000.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Maximum Operating Temp | 120.0 CELSIUS SINGLE RESPONSE DEGC |
| Disk Loading Method | SPRING |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Thread Series Designator | UNF FIRST END |
| Valve Discharge Flow Rate | 26.0 GALLONS PER MINUTE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| RVPS-10-N-C-0-50 PRIMARY | Command Controls Corp (USA) |
NSN 4820-01-629-8628 is a Valve,safety Relief, manufactured by Command Controls Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-629-8628 has 1 manufacturer part number on file: RVPS-10-N-C-0-50 (Command Controls Corp).
Key specifications for RVPS-10-N-C-0-50: Flow Control Device: POPPET; Connection Style: PLAIN (SCREW-IN CARTRIDGE) FIRST END; Minimum Operating Temp: -40.0 CELSIUS DEGC; Connection Type: THREADED CARTRIDGE FIRST END. 17 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.