The Valve,angle, cataloged under National Stock Number 4820-01-135-2918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-135-2918 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | ANGLE |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.563 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 18 SECOND END |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 7766-B | 5/9 Secondary reference Henry Technologies, Inc. |
| D791-1030-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-135-2918 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-135-2918: Flow Control Device: STEM; Connection Style: FLARED (TUBE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END. 20 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.