The Valve,angle, cataloged under National Stock Number 4820-01-143-9023, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-143-9023 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Furnished Items and Quantity | 1 NUT AND 1 FERRULE |
| Flange Face Design | RAISED WITH CURVE AND COUNTERBORE SECOND END |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| Nominal Length | 3.312 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 2.625 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 0.356 INCHES SECOND END IN |
| Bonnet Type | PACKING RETAINING |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 ALL ENDS |
| Nominal Width | 1.875 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | UNS FIRST END |
| Raised Face Nominal Diameter | 1.312 INCHES SECOND END IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.090 INCHES SECOND END IN |
| Nominal Thickness | 0.562 INCHES SECOND 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 |
|---|---|
| SU35 | 3/9 Design control — primary reference Cissell Manufacturing Company Dba Cissell Mfg |
NSN 4820-01-143-9023 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-143-9023: Flow Control Device: DISK; Flange Shape: OVAL WITH HOLES SECOND END; Furnished Items and Quantity: 1 NUT AND 1 FERRULE; Flange Face Design: RAISED WITH CURVE AND COUNTERBORE SECOND END. 28 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.