The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-231-8532, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grove Valve Operations. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-231-8532 |
| Primary Part Number | N902FIG11163U2W046K |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Flow Control Device | BELLOWS OR NEEDLE |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | RETAINING RING |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| First End Style Designator | SOCKET W/BRAZING RING |
| Temp Rating | 165.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 3650 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B148,ALLOY 9B ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Material Document and Classification | QQ-B-613, ALLOY 230, 1/4H FED SPEC SINGLE MATERIAL RESPONSE AND AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Material | STEEL COMP 630 STEM |
| Material | COPPER ALLOY 230 AND STEEL COMP 630 FLOW CONTROL DEVICE |
| Material | PLASTIC AND STEEL CORROSION RESISTING SEAT |
| Maximum Inlet Pressure Rating | ERR-060 |
| Outlet Pressure Setting | ERR-060 |
| 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 |
|---|---|
| 11163U2W046K | Grove Valve Operations (USA) |
| N902FIG11163U2W046K PRIMARY | Grove Valve Operations (USA) |
NSN 4820-00-231-8532 is a Valve,regulating,fluid Pressure, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-231-8532 has 2 manufacturer part numbers on file: 11163U2W046K (Grove Valve Operations), N902FIG11163U2W046K (Grove Valve Operations).
Key specifications for N902FIG11163U2W046K: Flow Control Device: BELLOWS OR NEEDLE; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: RETAINING RING; Second End Relationship with First End: IDENTICAL. 20 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.