The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-288-7408, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-288-7408 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 8 |
| Valve Stem Design | SINGLE SEAT |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | PISTON |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 13.000 INCHES NOMINAL IN |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Flange Outside Diameter | 7.500 INCHES NOMINAL IN |
| First End Style Designator | RAISED |
| Temp Rating | 650.0 FAHRENHEIT NOMINAL DEGF |
| First End Bolt Hole Diameter | 0.812 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 5.875 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 25.0 TO 175.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | RAISED FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | COBALT ALLOY SEAT |
| Media for Which Designed | STEAM |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | INTERNAL PILOT VALVE |
| 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 |
|---|---|
| NAP321 | 3/9 Design control — primary reference Atlas Valve Co |
| MIL-V-17848 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-288-7408 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-288-7408: First End Bolt Hole Quantity: 8; Valve Stem Design: SINGLE SEAT; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: PISTON. 23 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.