The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-789-2148, 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25 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-789-2148 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK, CIRCULAR |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | PRESSED-IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| First End Thread Pitch Diameters | +0.7094 TO 0.7143 INCHES IN |
| Remote Actuation Method | PISTON |
| Body Style | STRAIGHT THRU W/OFFSET |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Thread Class | 3B |
| First End Style Designator | GASKET SEAL |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 1500.0 TO 1700.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| Mounting Facility | BRACKET |
| First End Connection Type | THREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Media for Which Designed | AIR AND NITROGEN, GASEOUS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 3/4-16 UNF 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 |
|---|---|
| 8-00315 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| 8-00315 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company |
| A60249-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-789-2148 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-789-2148: Flow Control Device: DISK, CIRCULAR; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: PRESSED-IN; 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.