The Disk,valve, cataloged under National Stock Number 4820-01-379-2048, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Marine Electric Systems Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-379-2048 |
| Primary Part Number | 204275 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Marine Electric Systems Inc |
| Status | ACTIVE |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.812 INCHES NOMINAL IN |
| Media for Which Designed | WATER |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 204275 PRIMARY | Marine Electric Systems Inc (USA) |
NSN 4820-01-379-2048 is a Disk,valve, manufactured by Marine Electric Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-379-2048 has 1 manufacturer part number on file: 204275 (Marine Electric Systems Inc).
Key specifications for 204275: Overall Height: 0.188 INCHES NOMINAL IN; Outside Diameter: 1.625 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.812 INCHES NOMINAL IN. 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.