The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-253-0771, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hf Group Inc Dba Hf Group Inc. Government technical data includes 18 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 | 4820-00-253-0771 |
| Primary Part Number | TYPEWSIZE1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hf Group Inc Dba Hf Group Inc |
| Status | ACTIVE |
| Flow Control Device | DISK, BOTTOM GUIDED AND DISK, TOP GUIDED |
| Valve Stem Design | SINGLE SEAT |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | 75.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 30.0 TO 60.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | BRONZE SEAT |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY STEM |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1-11-1/2 NPT 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 |
| Part Number | Manufacturer |
|---|---|
| TYPEWSIZE1 PRIMARY | Hf Group Inc Dba Hf Group Inc (USA) |
NSN 4820-00-253-0771 is a Valve,regulating,fluid Pressure, manufactured by Hf Group Inc Dba Hf Group Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-253-0771 has 1 manufacturer part number on file: TYPEWSIZE1 (Hf Group Inc Dba Hf Group Inc).
Key specifications for TYPEWSIZE1: Flow Control Device: DISK, BOTTOM GUIDED AND DISK, TOP GUIDED; Valve Stem Design: SINGLE SEAT; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL. 18 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.