The Valve,check, cataloged under National Stock Number 4820-01-628-1886, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Delaware Mfg Industries Corp. Government technical data includes 7 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 | 4820-01-628-1886 |
| Primary Part Number | CVH-05-0375-S22 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Delaware Mfg Industries Corp |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Nominal Length | 2.50 INCHES ALL ENDS IN |
| Material Document and Classification | STAINLESS STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.375 INCHES IN |
| Maximum Operating Temp | 10000.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| CVH-05-0375-S22 PRIMARY | Delaware Mfg Industries Corp (USA) |
| 7D3-07764-SH 5 ITEM 152 | Lake Shore Systems, Inc. (USA) |
NSN 4820-01-628-1886 is a Valve,check, manufactured by Delaware Mfg Industries Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-628-1886 has 2 manufacturer part numbers on file: CVH-05-0375-S22 (Delaware Mfg Industries Corp), 7D3-07764-SH 5 ITEM 152 (Lake Shore Systems, Inc.).
Key specifications for CVH-05-0375-S22: Flow Control Device: POPPET; Nominal Length: 2.50 INCHES ALL ENDS IN; Material Document and Classification: STAINLESS STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL; Operating Pressure: 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 7 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.