The Valve,safety Relief, cataloged under National Stock Number 4820-01-443-4524, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sterling Hydraulics Inc. Government technical data includes 16 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 | 4820-01-443-4524 |
| Primary Part Number | A2A060ZN/LB10065A |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sterling Hydraulics Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Maximum Operating Temp | 194.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Thread Class | 2B ALL ENDS |
| Material | RUBBER PACKING |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNF ALL ENDS |
| Valve Discharge Flow Rate | 33.0 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 |
|---|---|
| A2A060ZN/LB10065A PRIMARY | Sterling Hydraulics Inc (USA) |
NSN 4820-01-443-4524 is a Valve,safety Relief, manufactured by Sterling Hydraulics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-443-4524 has 1 manufacturer part number on file: A2A060ZN/LB10065A (Sterling Hydraulics Inc).
Key specifications for A2A060ZN/LB10065A: Flow Control Device: DISK; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: ANGLE. 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.