The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-425-2842, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Welch Vacuum Technology Inc. Government technical data includes 7 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 | 4820-01-425-2842 |
| Primary Part Number | 563102 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Welch Vacuum Technology Inc |
| Status | ACTIVE |
| Body Style | ANGLE |
| Temp Rating | 150.0 CELSIUS NOMINAL DEGC |
| End Connection Quantity | 2 |
| Manual Control Method | KNOB |
| Valve Loading Method | BELLOWS |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| AC70000NW025 | Welch Vacuum Technology Inc (USA) |
| 563102 PRIMARY | Welch Vacuum Technology Inc (USA) |
NSN 4820-01-425-2842 is a Valve,regulating,fluid Pressure, manufactured by Welch Vacuum Technology Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-425-2842 has 2 manufacturer part numbers on file: AC70000NW025 (Welch Vacuum Technology Inc), 563102 (Welch Vacuum Technology Inc).
Key specifications for 563102: Body Style: ANGLE; Temp Rating: 150.0 CELSIUS NOMINAL DEGC; End Connection Quantity: 2; Manual Control Method: KNOB. 7 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.