The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-496-5747, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-496-5747 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK, FLAT, BOTTOM GUIDED |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | THREADED |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 7.281 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | 165.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 25.0 TO 60.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| Specification/standard Data | 81346-ASTM-F1370 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Nondefinitive Spec/std Data | II TYPE |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Material | NICKEL ALLOY STEM |
| Material | RUBBER SEAT |
| Material | NICKEL ALLOY OR COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | WATER, FRESH OR WATER, SALT |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1/2-13 UN FIRST END |
| Filter | NOT 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 |
|---|---|
| ASTM-F1370 | 5/1 Secondary reference U.S. Government activity |
| ASTM-F1370-2C71B | 3/2 Design control — primary reference U.S. Government activity |
| MIL-V-2042 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-496-5747 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-496-5747: Flow Control Device: DISK, FLAT, BOTTOM GUIDED; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: THREADED; First End Thread Direction: RIGHT-HAND. 25 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.