The Valve,safety Relief, cataloged under National Stock Number 4820-01-642-5065, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Integrated Hydraulics Inc. Government technical data includes 13 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 | 4820-01-642-5065 |
| Primary Part Number | 1DR30-P3W-40S |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Integrated Hydraulics Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Nominal Length | 96.2 MILLIMETERS ALL ENDS MM |
| Minimum Operating Temp | -22.0 FAHRENHEIT DEGF |
| Style Designator | SCREW-IN CARTRIDGE |
| Material Document and Classification | A1043 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 400.0 BAR MAXIMUM SINGLE RESPONSE |
| Valve Size | 0.375 INCHES IN |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 194.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ZINC LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM BODY |
| Valve Discharge Flow Rate | 30.0 LITERS PER SECOND |
| 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 |
|---|---|
| 1DR30-P3W-40S PRIMARY | Integrated Hydraulics Inc (USA) |
NSN 4820-01-642-5065 is a Valve,safety Relief, manufactured by Integrated Hydraulics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-642-5065 has 1 manufacturer part number on file: 1DR30-P3W-40S (Integrated Hydraulics Inc).
Key specifications for 1DR30-P3W-40S: Flow Control Device: POPPET; Nominal Length: 96.2 MILLIMETERS ALL ENDS MM; Minimum Operating Temp: -22.0 FAHRENHEIT DEGF; Style Designator: SCREW-IN CARTRIDGE. 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.