The Valve,check, cataloged under National Stock Number 4820-00-293-7702, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-293-7702 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 4.500 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 4.438 INCHES SECOND END IN |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | FLANGE SECOND END |
| Style Designator | STRAIGHT THRU |
| Bolt Hole Nominal Diameter | 0.500 INCHES SECOND END IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 5.562 INCHES SECOND END IN |
| Bolt Hole Quantity | 6 SECOND END |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5065-381PCV19A | 5/1 Secondary reference U.S. Government activity |
| 381-4805-69504PCACEFA3T0H3J3K3 | 3/1 Design control — primary reference U.S. Government activity |
| 559P830PCACT0EA3T0H313K3 | 5/9 Secondary reference Cramp Shipbuilding and Drydock Co |
| 6330-381PCACEFA3T0N3V3K3 | 5/1 Secondary reference U.S. Government activity |
| 403-4805-984630PCV19STBD | 5/1 Secondary reference U.S. Government activity |
| 381-4805-67911PCV19A | 5/1 Secondary reference U.S. Government activity |
NSN 4820-00-293-7702 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-293-7702: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 4.500 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END. 14 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.