The Valve,stop-Lift-Check, cataloged under National Stock Number 4820-00-287-5679, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-5679 |
| Item Name | Valve,stop-Lift-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Bolt Circle Nominal Diameter | 5.000 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.688 INCHES FIRST END IN |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 850.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 6.500 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 FIRST END |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 11.500 INCHES IN |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | STEEL BODY |
| Material | COBALT ALLOY SEAT |
| Material | COBALT ALLOY FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Raised Face Nominal Diameter | 3.625 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.250 INCHES FIRST END IN |
| Nominal Thickness | 1.000 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 |
|---|---|
| DD445S4810-62 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-287-5679 is a Valve,stop-Lift-Check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-287-5679: Flow Control Device: DISK; Flange Shape: ROUND FIRST END; Flange Face Design: RAISED STRAIGHT FIRST END; Bolt Circle Nominal Diameter: 5.000 INCHES FIRST END IN. 26 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.