The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-408-6945, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. Government technical data includes 15 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 | 4820-01-408-6945 |
| Primary Part Number | OR1-6-65/225-H 7/8IN |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | SOCKET |
| Temp Rating | 40.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 65.0 TO 225.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.875 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | REFRIGERANT, NONCORROSIVE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Filter | INCLUDED |
| 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 |
|---|---|
| OR1-6-65/225-H 7/8IN PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
NSN 4820-01-408-6945 is a Valve,regulating,system Pressure, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-408-6945 has 1 manufacturer part number on file: OR1-6-65/225-H 7/8IN (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for OR1-6-65/225-H 7/8IN: Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE; Regulation Type: AUTOMATIC SINGLE STAGE. 15 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.