The Disk,valve, cataloged under National Stock Number 4820-01-026-3410, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-026-3410 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Shoulder Height | 0.094 INCHES NOMINAL IN |
| Outside Diameter | 2.313 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.625 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 2177934-85XPC12 | 5/1 Secondary reference The Walworth Company |
| 803-2177934PC12 | 5/9 Secondary reference Naval Sea Systems Command |
| 7415J | 5/1 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 2177934-85XPC12 | 5/1 Secondary reference Crane Co Div Valve Div |
| 803-2177934 | D/9 Drawing number reference only Naval Sea Systems Command |
| 803-2177934 | D/9 Drawing number reference only U.S. Government activity |
| 810-2177934-85XPC12 | 5/9 Secondary reference Naval Sea Systems Command |
| 2177934-85XPC12 | 5/9 Secondary reference Naval Sea Systems Command |
| 803-2177934-X85X-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-026-3410 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-026-3410: Overall Height: 0.280 INCHES NOMINAL IN; Shoulder Height: 0.094 INCHES NOMINAL IN; Outside Diameter: 2.313 INCHES NOMINAL IN; Style Designator: PLAIN. 5 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.