The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-283-9641, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-283-9641 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | MANUAL, DOUBLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.5 TO 25.0 CAMERA MOUNT |
| Second End Thread Direction | RIGHT-HAND |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Second End Style Designator | SWIVEL NUT, FLARED |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | OXYGEN, GASEOUS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED EXTERNAL GAS CYLINDER |
| Furnished Items | INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| Thread Size and Series/type Designator | 0.903-14 NGO SECOND END |
| 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 |
|---|---|
| APE 330-540 | 5/9 Secondary reference Union Carbide Corp Linde Div |
| UPE-3-25-540 | 5/9 Secondary reference Union Carbide Corp Linde Div |
| APE 330-540 | 5/9 Secondary reference Advanced Specialty Gas Equipment |
| HPE 330-540 | 3/9 Design control — primary reference Union Carbide Corp Linde Div |
NSN 4820-01-283-9641 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-283-9641: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE. 21 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.