The Disk,valve, cataloged under National Stock Number 4820-01-232-8468, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-232-8468 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Shank Diameter | 0.469 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.625 INCHES NOMINAL IN |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Style Designator | POPPET |
| Tip Diameter | 0.438 INCHES NOMINAL IN |
| Seat Angle | 60.0 DEGREES NOMINAL |
| Under Flange Height | 0.438 INCHES NOMINAL IN |
| Media for Which Designed | GAS OR OIL |
| Material | NICKEL ALLOY 400 |
| 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 |
|---|---|
| 845-2109827 | D/9 Drawing number reference only U.S. Government activity |
| 2640-608X2PC16 | 3/2 Design control — primary reference U.S. Government activity |
| 2640-608X2 | D/9 Drawing number reference only U.S. Government activity |
| 845-2109827 PIECE 16 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-232-8468 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-232-8468: Shank Diameter: 0.469 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.625 INCHES NOMINAL IN; Overall Height: 1.062 INCHES NOMINAL IN; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 9 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.