The Valve,check, cataloged under National Stock Number 4820-00-288-8679, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-288-8679 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Bolt Circle Nominal Diameter | 4.562 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Bolt Hole Nominal Diameter | 0.562 INCHES FIRST END IN |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 5.562 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 FIRST END |
| Face to Face Distance | 9.250 INCHES IN |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.812 INCHES FIRST END IN |
| 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 |
|---|---|
| 580-508-1699637ALTAPCV10 | 5/2 Secondary reference U.S. Government activity |
| 572-4801-1415429PCV17 | 5/2 Secondary reference U.S. Government activity |
| 572-4801-1415429ALTAPCV11 | 5/2 Secondary reference U.S. Government activity |
| 569-4801-1191427ALT1PCV5 | 5/2 Secondary reference U.S. Government activity |
| 4824-935026ALT3PCASSYA | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-288-8679 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-288-8679: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Bolt Circle Nominal Diameter: 4.562 INCHES FIRST END IN. 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.