The Valve,angle, cataloged under National Stock Number 4820-00-640-5874, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-640-5874 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND FIRST END |
| Renewable Seat Ring Type | THREADED |
| Flange Face Design | PLAIN FIRST END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Second Connection Face to Centerline Distance | 7.500 INCHES IN |
| Nominal Outside Diameter | 7.688 INCHES FIRST END IN |
| Bonnet Attachment Method | BOLTED |
| First Connection Face to Centerline Distance | 7.500 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 576-4805-1504924REVAPCV26 | 3/2 Design control — primary reference U.S. Government activity |
| 4273-83REVBPCV5 | 5/9 Secondary reference U.S. Government activity |
| 4273-83REVBPCV5 | 3/2 Design control — primary reference U.S. Government activity |
| 571-4805-1303294REVFPCV5 | 3/2 Design control — primary reference U.S. Government activity |
| 3677-212REVFPCV5 | 3/2 Design control — primary reference U.S. Government activity |
| 4272-03REVAPCV26 | 3/2 Design control — primary reference U.S. Government activity |
| 4272-03REVAPCV26 | 5/9 Secondary reference U.S. Government activity |
| 576-4805-1504970REVBPCV6 | 3/2 Design control — primary reference U.S. Government activity |
| 4273-83REVBPCV6 | 5/9 Secondary reference U.S. Government activity |
| 4273-83REVBPCV6 | 3/2 Design control — primary reference U.S. Government activity |
| 3664-222REVGPCV4 | 3/2 Design control — primary reference U.S. Government activity |
| 3600-123 | 5/2 Secondary reference U.S. Government activity |
| 576-4805-1504970REVBPCV5 | 3/2 Design control — primary reference U.S. Government activity |
| S4824-3132366 | 5/2 Secondary reference U.S. Government activity |
| 571-3803-1303218REVGPCV4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-640-5874 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-640-5874: Flow Control Device: DISK; Flange Shape: ROUND FIRST END; Renewable Seat Ring Type: THREADED; Flange Face Design: PLAIN FIRST END. 17 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.