The Disk,valve, cataloged under National Stock Number 4820-00-103-4527, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-103-4527 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Outside Diameter | 1.623 INCHES MINIMUM AND 1.643 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| K603V6M | 5/9 Secondary reference Lunkenheimer Co |
| 302968V6 | 3/9 Design control — primary reference Lunkenheimer Co |
NSN 4820-00-103-4527 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-103-4527: Overall Height: 0.332 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Outside Diameter: 1.623 INCHES MINIMUM AND 1.643 INCHES MAXIMUM IN; Style Designator: PLAIN; Inside Diameter: 0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN. 4 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.