The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-462-0776, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-462-0776 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 8 |
| Flow Control Device | PISTON, SPRING LOADED |
| First End Width Across Flats | 12.000 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Flange Thickness | 0.3750 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| First End Bolt Hole Diameter | 0.875 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 4.000 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | OCTAGON W/ BOLT HOLES |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | REFRIGERANT R-22 |
| Maximum Inlet Pressure Rating | ERR-060 |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| V43BW-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-462-0776 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-462-0776: First End Bolt Hole Quantity: 8; Flow Control Device: PISTON, SPRING LOADED; First End Width Across Flats: 12.000 INCHES NOMINAL IN; Second End Relationship with First End: IDENTICAL. 18 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.