The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-646-7313, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-646-7313 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGMDIAPHRAGM |
| Valve Stem Design | SINGLE SEATSINGLE SEAT |
| Renewable Seat Ring Type | PRESSED-INPRESSED-IN |
| First End Thread Direction | RIGHT-HANDRIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICALNOT IDENTICAL |
| Remote Actuation Method | DIAPHRAGMDIAPHRAGM |
| Body Style | STRAIGHT THRUSTRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGEAUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAINPLAIN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND -40.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM160.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 22 |
| Outlet Pressure Range | 0.0 TO 500.0 CAMERA MOUNT |
| Second End Thread Direction | RIGHT-HANDRIGHT-HAND |
| Valve Loading Method | SPRINGSPRING |
| Second End Style Designator | PLAINPLAIN |
| First End Connection Type | THREADED INTERNAL PIPETHREADED INTERNAL PIPE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICESTEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | PLASTIC POLYAMIDE NYLON SEATPLASTIC POLYAMIDE NYLON SEAT |
| Material | RUBBER CHLOROPRENE CLASS CR PACKINGRUBBER CHLOROPRENE CLASS CR PACKING |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | GAS, NONCORROSIVE AND GAS, NONCORROSIVE AND LIQUID, NONCORROSIVELIQUID, NONCORROSIVE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED INTERNAL PIPETHREADED INTERNAL PIPE |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END1/4-18 NPT FIRST END |
| Thread Size and Series/type Designator | 1/4-18 NPT SECOND END1/4-18 NPT SECOND END |
| Filter | NOT INCLUDEDNOT 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 |
|---|---|
| GD10-250 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-646-7313 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-646-7313: Flow Control Device: DIAPHRAGMDIAPHRAGM; Valve Stem Design: SINGLE SEATSINGLE SEAT; Renewable Seat Ring Type: PRESSED-INPRESSED-IN; First End Thread Direction: RIGHT-HANDRIGHT-HAND. 26 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.