The Disk,valve, cataloged under National Stock Number 4820-01-110-9893, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-110-9893 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Shoulder Width | 0.110 INCHES NOMINAL IN |
| Shoulder Height | 0.113 INCHES NOMINAL IN |
| Style Designator | PLUG |
| Seat Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Size | 0.625 INCHES IN |
| Thread Class | 2A A |
| Material | ALUMINUM ALLOY AND RUBBER SYNTHETIC |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 453156 | D/9 Drawing number reference only Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
| 453156-100 | 3/9 Design control — primary reference Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
NSN 4820-01-110-9893 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-408-2887. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-110-9893: Overall Height: 0.730 INCHES NOMINAL IN; Shoulder Width: 0.110 INCHES NOMINAL IN; Shoulder Height: 0.113 INCHES NOMINAL IN; Style Designator: PLUG. 8 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.