The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-147-4134, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Zurn Industries Inc Wilkins Regulator Co Div. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-147-4134 |
| Primary Part Number | 500 2IN 25T90PSI |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Zurn Industries Inc Wilkins Regulator Co Div |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | SOCKET |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 25.0 TO 90.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 2.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE |
| Media for Which Designed | WATER |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 500 2IN 25T90PSI PRIMARY | Zurn Industries Inc Wilkins Regulator Co Div (USA) |
NSN 4820-01-147-4134 is a Valve,regulating,fluid Pressure, manufactured by Zurn Industries Inc Wilkins Regulator Co Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-147-4134 has 1 manufacturer part number on file: 500 2IN 25T90PSI (Zurn Industries Inc Wilkins Regulator Co Div).
Key specifications for 500 2IN 25T90PSI: Flow Control Device: DIAPHRAGM; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Regulation Type: AUTOMATIC SINGLE STAGE. 14 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.