The Valve,angle, cataloged under National Stock Number 4820-01-142-3808, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-142-3808 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | OVAL WITH HOLES FIRST END |
| Furnished Items and Quantity | 2 BOLT AND 1 FERRULE AND 1 GASKET AND 2 NUT |
| Renewable Seat Ring Type | PRESSED-IN |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | COMPRESSION (TUBE) SECOND END |
| Seat Nominal Radius | 0.062 INCHES SECOND END IN |
| Nominal Length | 3.250 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 2.640 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 0.385 INCHES FIRST END IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | PACKING RETAINING |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 FIRST END |
| Nominal Width | 1.835 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| Thread Series Designator | UNEF SECOND END |
| Raised Face Nominal Diameter | 1.313 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.125 INCHES FIRST END IN |
| Nominal Thickness | 0.569 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 |
|---|---|
| VSB30 | 3/9 Design control — primary reference Cissell Manufacturing Company Dba Cissell Mfg |
NSN 4820-01-142-3808 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-142-3808: Flow Control Device: DISK; Flange Shape: OVAL WITH HOLES FIRST END; Furnished Items and Quantity: 2 BOLT AND 1 FERRULE AND 1 GASKET AND 2 NUT; Renewable Seat Ring Type: PRESSED-IN. 29 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.