The Valve,angle, cataloged under National Stock Number 4820-00-025-9677, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-025-9677 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Renewable Seat Ring Type | THREADED |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Bolt Circle Nominal Diameter | 11.875 INCHES FIRST END IN |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 1.188 INCHES FIRST END IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Nominal Outside Diameter | 14.000 INCHES FIRST END IN |
| Bolt Hole Quantity | 12 FIRST END |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 13.000 INCHES IN |
| Test Data Document | 80064-DD692S4810-16 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| First Connection Face to Centerline Distance | 13.000 INCHES IN |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | COBALT ALLOY SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Raised Face Nominal Diameter | 10.625 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.250 INCHES FIRST END IN |
| Nominal Thickness | 2.062 INCHES FIRST END IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY FIG 135 |
| 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 |
|---|---|
| DD692S4810-16 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-00-025-9677 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-00-025-9678. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-025-9677: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES FIRST END; Renewable Seat Ring Type: THREADED; Flange Face Design: RAISED STRAIGHT FIRST END. 24 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.