The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-662-3725, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-662-3725 |
| Primary Part Number | RDH081S30 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-662-3725 is a Valve,relief,pressure and Temper, manufactured by Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-662-3725 has 3 manufacturer part numbers on file: RDH081S30 (Parker Hannifin B.v.), RDH081S30 (Fincantieri S.p.a. Div Direzione Navi Militari), RDH081S30 (Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products).
Key specifications for RDH081S30: Special Features: ADJUSTMENT STYLE: SCREW ADJUST; PRESSURE RANGE: 13.8-207 BAR (200-3000 PSI) STANDARD SETTING: 103.5 BAR (1500 PSI) AT CRACK PRESSURE, APPROXIMATELY 100 CC/MIN; SEALS: "D" RING; BODY MATERIAL: STEEL; PORT SIZE: CARTRIDGE ONLY; LENGTH: 36.6 MM; THREAD: 3/4-16 UNF-2A THREAD; APPROXIMATE WEIGHT: 0.09 KG (0.20 LBS) A; Part Name Assigned by Controlling Agency: PRESSURE CONTROL VALVE. 0 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.