The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-485-8747, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-485-8747 |
| Primary Part Number | OPR-10-1 1/8 ODF-0-60 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Valve Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | REFRIGERANT, NONCORROSIVE |
| 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 |
|---|---|
| OPR-10-1 1/8 ODE | Emerson Electric Co Alco Controls Div (USA) |
| CRO-10-0/60-1 1/8 | Parker-Hannifin Corp Div Sporlan Division (USA) |
| OPR-10-1 1/8 ODF-0-60 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 500K1854-2 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-485-8747 is a Valve,regulating,fluid Pressure, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-485-8747 has 3 manufacturer part numbers on file: OPR-10-1 1/8 ODE (Emerson Electric Co Alco Controls Div), CRO-10-0/60-1 1/8 (Parker-Hannifin Corp Div Sporlan Division), OPR-10-1 1/8 ODF-0-60 (Emerson Electric Co Alco Controls Div).
Key specifications for OPR-10-1 1/8 ODF-0-60: Flow Control Device: NEEDLE; Valve Loading Method: SPRING; Special Features: E/I;NSN 4110-01-394-6473,CONNECTIONS 1 1/8 ODF SOLDER,INLET STRAINER P/N 825-9; Material: COPPER ALLOY BODY. 4 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.