The Valve,lift-Check, cataloged under National Stock Number 4820-00-807-3631, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward Hrt, Inc. Dba Woodward Hrt Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-807-3631 |
| Primary Part Number | 7U7234 |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Woodward Hrt, Inc. Dba Woodward Hrt Inc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU W/OFFSET |
| Nominal Outside Diameter Tube Accommodated | 0.187 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | STEEL STEM |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNF FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-00-807-3631 is a Valve,lift-Check, manufactured by Woodward Hrt, Inc. Dba Woodward Hrt Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-807-3631 has 2 manufacturer part numbers on file: G7U7234 (Grindley Manufacturing Inc.), 7U7234 (Woodward Hrt, Inc. Dba Woodward Hrt Inc).
Key specifications for 7U7234: Connection Type: THREADED INTERNAL TUBE FIRST END; Style Designator: STRAIGHT THRU W/OFFSET; Nominal Outside Diameter Tube Accommodated: 0.187 INCHES FIRST END IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 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.
NSN 4820-00-807-3631 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.