The Disk,valve, cataloged under National Stock Number 4820-01-416-6824, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-416-6824 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Shank Diameter | 0.736 INCHES NOMINAL IN |
| Outside Diameter | 0.560 INCHES NOMINAL IN |
| Seat Angle | 0.2 RADIANS NOMINAL |
| Inside Diameter | 0.313 INCHES NOMINAL IN |
| Media for Which Designed | NITROGEN, LIQUID |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 158 POPPET .438 | 3/2 Design control — primary reference U.S. Government activity |
| 107974DG | 5/9 Secondary reference U.S. Government activity |
| PLC-11712 | D/9 Drawing number reference only U.S. Government activity |
| PLC-11712 ITEM 11 | 5/9 Secondary reference U.S. Government activity |
| 107974CI | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-416-6824 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-416-6824: Shank Diameter: 0.736 INCHES NOMINAL IN; Overall Height: 1.625 INCHES NOMINAL IN; Outside Diameter: 0.560 INCHES NOMINAL IN; Seat Angle: 0.2 RADIANS NOMINAL. 6 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.