The Valve,check, cataloged under National Stock Number 4820-01-598-3584, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Delta Power Hydraulic Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-598-3584 |
| Primary Part Number | DE-CVA-00-0010 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Delta Power Hydraulic Co |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Nominal Length | 1.470 INCHES ALL ENDS IN |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Operating Pressure | 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Maximum Operating Temp | 120.0 CELSIUS SINGLE RESPONSE DEGC |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 14 ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| DE-CVA-00-0010 PRIMARY | Delta Power Hydraulic Co (USA) |
| Reference | Meaning |
|---|---|
| DE-CVA-00-0010 | 6/9 Informative reference only Royal Malaysian Navy |
NSN 4820-01-598-3584 is a Valve,check, manufactured by Delta Power Hydraulic Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-598-3584 has 1 manufacturer part number on file: DE-CVA-00-0010 (Delta Power Hydraulic Co).
Key specifications for DE-CVA-00-0010: Flow Control Device: POPPET; Nominal Length: 1.470 INCHES ALL ENDS IN; Connection Type: THREADED CARTRIDGE ALL ENDS; Operating Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 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.