The Valve,check, cataloged under National Stock Number 4820-01-622-0307, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Corp Hydraulics Div. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Tld Canada Inc (CAGE L9215); Freightquip Pty Ltd (CAGE Z0DK5); Eaton Corp Hydraulics Div (CAGE 9G527) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-622-0307 |
| Primary Part Number | CV11-10V-P-0-015 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Corp Hydraulics Div |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (SCREW-IN CARTRIDGE) FIRST END |
| Minimum Operating Temp | -40.0 CELSIUS DEGC |
| Connection Type | THREADED CARTRIDGE FIRST END |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Maximum Operating Temp | 120.0 CELSIUS SINGLE RESPONSE DEGC |
| Disk Loading Method | SPRING |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNF FIRST END |
| Opening Pressure Setting | 15.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 042581 | Tld Canada Inc (CAN) |
| 042581 | Freightquip Pty Ltd (AUS) |
| CV11-10V-P-0-015 PRIMARY | Eaton Corp Hydraulics Div (USA) |
NSN 4820-01-622-0307 is a Valve,check, manufactured by Eaton Corp Hydraulics Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-622-0307 has 3 manufacturer part numbers on file: 042581 (Tld Canada Inc), 042581 (Freightquip Pty Ltd), CV11-10V-P-0-015 (Eaton Corp Hydraulics Div).
Key specifications for CV11-10V-P-0-015: Flow Control Device: POPPET; Connection Style: PLAIN (SCREW-IN CARTRIDGE) FIRST END; Minimum Operating Temp: -40.0 CELSIUS DEGC; Connection Type: THREADED CARTRIDGE FIRST END. 17 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.