The Valve,check, cataloged under National Stock Number 4820-00-142-2986, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-142-2986 |
| Primary Part Number | 576-2100-1505061REVBPCV192 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Furnished Items and Quantity | 1 FERRULE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Style Designator | OFFSET |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Offset Distance | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPT 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 |
|---|---|
| 576-2100-1505061REVBPCV192 PRIMARY | Naval Sea Systems Command (USA) |
| 4824-3119982PC1-4GCV PRIMARY | Naval Sea Systems Command (USA) |
| N330-1-4 PRIMARY | The Walworth Company (USA) |
| 4824-3119982PCE28657 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 576-2100-1505061REVBPCV192 | 5/9 Secondary reference U.S. Government activity |
| 4DP2091APC330X1-4 | 5/9 Secondary reference The Walworth Company |
| 4824-3119982PCE28657 | 5/9 Secondary reference U.S. Government activity |
| 4279-13REVAPCV191 | 5/9 Secondary reference U.S. Government activity |
| 4824-3119982PC1-4GCV | 5/9 Secondary reference U.S. Government activity |
| 4279-13REVAPCV192 | 3/2 Design control — primary reference U.S. Government activity |
| 4279-13REVAPCV192 | 5/9 Secondary reference U.S. Government activity |
| N10552PCE28657 | 5/9 Secondary reference The Walworth Company |
| 4279-13REVAPCV191 | 3/2 Design control — primary reference U.S. Government activity |
| N10552PC1-4GCV | 5/9 Secondary reference The Walworth Company |
NSN 4820-00-142-2986 is a Valve,check, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-142-2986 has 4 manufacturer part numbers on file: 576-2100-1505061REVBPCV192 (Naval Sea Systems Command), 4824-3119982PC1-4GCV (Naval Sea Systems Command), N330-1-4 (The Walworth Company), 4824-3119982PCE28657 (Naval Sea Systems Command).
Key specifications for 576-2100-1505061REVBPCV192: Flow Control Device: DISK; Furnished Items and Quantity: 1 FERRULE; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Style Designator: OFFSET. 15 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.