The Valve,check, cataloged under National Stock Number 4820-01-714-5680, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cospolich Inc.. Government technical data includes 4 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 | 4820-01-714-5680 |
| Primary Part Number | RWCV03 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cospolich Inc. |
| Status | ACTIVE |
| Minimum Operating Temp | 60.0 FAHRENHEIT DEGF |
| Valve Size | 0.375 INCHES IN |
| Maximum Operating Temp | 285.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-714-5680 is a Valve,check, manufactured by Cospolich Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-714-5680 has 2 manufacturer part numbers on file: RWCV03 (Cospolich Inc.), 020-1011 (Danfoss Inc).
Key specifications for RWCV03: Minimum Operating Temp: 60.0 FAHRENHEIT DEGF; Valve Size: 0.375 INCHES IN; Maximum Operating Temp: 285.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: PRESSURE RATING 400.0. 4 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.