The Valve,rotary,selector, cataloged under National Stock Number 4820-01-531-3547, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-531-3547 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | CURVED ROTOR |
| Maximum Operating Temp and Media for Which Designed | 160.0 FAHRENHEIT AIR DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.250 INCHES IN |
| Features Provided | HANDLE RETURN |
| Flow Type | FOUR-WAY |
| Nominal Thread Size | 0.250 INCHES IN |
| Body Material | ALUMINUM |
| Mounting Facility | PANEL |
| Connection Location | BOTTOM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Connection Quantity | 4 |
| Thread Series Designator | NPTF |
| 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 |
|---|---|
| P-050975-00004 | 3/9 Design control — primary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| P-050975-0004 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
NSN 4820-01-531-3547 is a Valve,rotary,selector, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-531-3547: Flow Control Device: CURVED ROTOR; Maximum Operating Temp and Media for Which Designed: 160.0 FAHRENHEIT AIR DEGF; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS; Connection Type: THREADED INTERNAL PIPE. 16 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.