The Cartridge,shut-Off Valve, cataloged under National Stock Number 4820-01-034-0281, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-034-0281 |
| Primary Part Number | D301062PC8 |
| Item Name | Cartridge,shut-Off Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Valve Size | 0.750 INCHES IN |
| Maximum Operating Temp | 350.0 FAHRENHEIT DEGF |
| Material | STEEL CORROSION RESISTING |
| Thread Size and Series/type Designator | 1.875-12 UN |
| 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 |
|---|---|
| D301062PC8 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| B302693PC6 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| D301062PC8 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 11-1664-5PTC224 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris |
| B302693-6 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| C224-3-4S52 | 5/9 Secondary reference U.S. Government activity |
| B302693PC6 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 11-1664-5PTC224-3-4S52 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-034-0281 is a Cartridge,shut-Off Valve, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-034-0281 has 2 manufacturer part numbers on file: D301062PC8 (Control Flow, Inc. Dba Control Flow Inc), B302693PC6 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for D301062PC8: Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Valve Size: 0.750 INCHES IN; Maximum Operating Temp: 350.0 FAHRENHEIT DEGF; Material: STEEL CORROSION RESISTING. 5 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.