The Valve,angle, cataloged under National Stock Number 4820-01-184-0387, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-184-0387 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Bolt Circle Nominal Diameter | 11.625 INCHES FIRST END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.688 INCHES FIRST END IN |
| Valve Size | 8.500 INCHES IN |
| Second Connection Face to Centerline Distance | 9.625 INCHES IN |
| Nominal Outside Diameter | 15.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 12.938 INCHES SECOND END IN |
| Bolt Hole Quantity | 14 FIRST END |
| First Connection Face to Centerline Distance | 12.938 INCHES IN |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.688 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 |
|---|---|
| 354514 | D/9 Drawing number reference only U.S. Government activity |
| 354514 8 1/2IN | 5/2 Secondary reference U.S. Government activity |
| NC-1133 8 1/2IN | 3/9 Design control — primary reference Jenkins Bros |
NSN 4820-01-184-0387 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4810-01-184-0521. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-184-0387: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Bolt Circle Nominal Diameter: 11.625 INCHES FIRST END IN. 16 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.