The Valve,plug, cataloged under National Stock Number 4820-00-373-7771, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-373-7771 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Flow Style | TWO-WAY TWO PORT 90 DEGREE PLUG TURNTWO-WAY TWO PORT 90 DEGREE PLUG TURN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END |
| Nominal Thread Size | 1.500 INCHES FIRST END1.500 INCHES FIRST END IN |
| Mounting Facility | THREADED FASTENERTHREADED FASTENER |
| Surface Treatment | ANODIZE |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Thread Class | 3B FIRST END3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Valve Operation Method | MANUALMANUAL |
| 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 |
|---|---|
| D32-210 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-373-7771 is a Valve,plug, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-373-7771: Connection Type: THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN; Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURNTWO-WAY TWO PORT 90 DEGREE PLUG TURN; Operating Pressure: 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 13 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.