The Valve,check, cataloged under National Stock Number 4820-01-575-9610, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Parflex Division. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-575-9610 |
| Primary Part Number | CV081P |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Parflex Division |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Furnished Items and Quantity | 1 NUT |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | GROOVED (DROP-IN CARTRIDGE) SECOND END |
| Connection Type | THREADED CARTRIDGE FIRST END |
| Connection Type | UNTHREADED CARTRIDGE SECOND END |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Bonnet Attachment Method | THREADED |
| Thread Class | 2A FIRST END A |
| Material | STEEL OR STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF FIRST END |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| CV081P PRIMARY | Parker-Hannifin Corp Div Parflex Division (USA) |
| Reference | Meaning |
|---|---|
| 60827134 | D/9 Drawing number reference only Parker-Hannifin Corp Div Parflex Division |
NSN 4820-01-575-9610 is a Valve,check, manufactured by Parker-Hannifin Corp Div Parflex Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-575-9610 has 1 manufacturer part number on file: CV081P (Parker-Hannifin Corp Div Parflex Division).
Key specifications for CV081P: Flow Control Device: POPPET; Furnished Items and Quantity: 1 NUT; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: GROOVED (DROP-IN CARTRIDGE) SECOND END. 16 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.