The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-237-9517, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-237-9517 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | PISTON, SPRING LOADED |
| Valve Stem Design | DOUBLE SEAT |
| Remote Actuation Method | PISTON |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| Material Document and Classification | AMS 3650 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-B-637, ALLOY 464, 1/2H FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 35.0 CAMERA MOUNT |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Mounting Facility | INTERNAL THREAD |
| Material | PLASTIC SEAT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | STEEL CORROSION RESISTING STEM |
| Media for Which Designed | AIR AND HELIUM AND OXYGEN, GASEOUS |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 280085 ITEM 7 | 5/2 Secondary reference U.S. Government activity |
| 280526-61 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-237-9517 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-237-9517: Flow Control Device: PISTON, SPRING LOADED; Valve Stem Design: DOUBLE SEAT; Remote Actuation Method: PISTON; Body Style: ANGLE. 19 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.