The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-459-1746, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-459-1746 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Offset Distance | 1.380 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU W/OFFSET |
| Face to Face Distance | 4.850 INCHES MINIMUM AND 5.350 INCHES MAXIMUM IN |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | BEVELED |
| End Connection Quantity | 1 |
| Manual Control Method | WHEEL |
| Valve Loading Method | SPRING |
| First End Connection Type | BUTT WELD TUBE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Media for Which Designed | GAS, NONCORROSIVE AND AIR |
| 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 |
| Reference | Meaning |
|---|---|
| HP500F12RNIRBBC | 3/9 Design control — primary reference Conoflow Regulators and Controls Div Itt Grinnell Valve Co |
| EC003660 | 5/9 Secondary reference Eagle Compressors, Inc. Dba Eagle Compressors |
NSN 4820-01-459-1746 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-459-1746: Flow Control Device: DIAPHRAGM; Offset Distance: 1.380 INCHES NOMINAL IN; Body Style: STRAIGHT THRU W/OFFSET; Face to Face Distance: 4.850 INCHES MINIMUM AND 5.350 INCHES MAXIMUM IN. 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.