The Valve,angle, cataloged under National Stock Number 4820-01-430-3853, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-430-3853 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Furnished Items and Quantity | 1 CAP AND 1 HANDWHEEL |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | PLAIN (HOSE) SECOND END |
| Bolt Circle Nominal Diameter | 3.938 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.562 INCHES FIRST END IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 5.062 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 FIRST END |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | OIL SINGLE RESPONSE |
| Material | BRONZE OVERALL |
| Thread Series Designator | NPSH SECOND END |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.812 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 |
|---|---|
| 803-1385711-AP | 5/9 Secondary reference U.S. Government activity |
| 803-1385711 | D/9 Drawing number reference only U.S. Government activity |
| 803-1385711-APAF | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-430-3853 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-659-8004. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-430-3853: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES FIRST END; Furnished Items and Quantity: 1 CAP AND 1 HANDWHEEL; Flange Face Design: PLAIN FIRST END. 25 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.