The Valve,angle, cataloged under National Stock Number 4820-00-375-7978, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-375-7978 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Renewable Seat Ring Type | THREADED |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 6.563 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 0.563 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 4.500 INCHES FIRST END IN |
| Second Connection Face to Centerline Distance | 6.500 INCHES IN |
| Nominal Outside Diameter | 7.688 INCHES SECOND END IN |
| Mounting Facility | THREADED FASTENER |
| Bolt Hole Quantity | 8 SECOND END |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| 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 |
|---|---|
| 4824-935009ALT6PC1T05-712T025 | 5/2 Secondary reference U.S. Government activity |
| 563-4824-932497ALT5PCALL | 3/2 Design control — primary reference U.S. Government activity |
| 563-4824-935009ALT6 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4820-00-375-7978 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-375-7978: Flange Shape: ROUND WITH HOLES SECOND END; Renewable Seat Ring Type: THREADED; Flange Face Design: PLAIN SECOND END; Bolt Circle Nominal Diameter: 6.563 INCHES SECOND 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.