The Valve Core, cataloged under National Stock Number 4820-01-083-4638, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is East/west Industries, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-083-4638 |
| Primary Part Number | EW63001 |
| Item Name | Valve Core |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | East/west Industries, Inc. |
| Status | ACTIVE |
| Core Environmental Protection | CORROSION RESISTANT |
| Criticality Code Justification | AGAV |
| Spring Tension Type | MEDIUM |
| Size Designation | STANDARD |
| Material | STEEL CORROSION RESISTING SPRING |
| Commercial Core Length Designator | STANDARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| EW63001 PRIMARY | East/west Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 402AM | 5/9 Secondary reference Eaton Corporation Dba Air Controls Division Div Air Controls Division |
| 402AM | 5/9 Secondary reference Martin-Baker Aircraft Company Limited |
NSN 4820-01-083-4638 is a Valve Core, manufactured by East/west Industries, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-083-4638 has 1 manufacturer part number on file: EW63001 (East/west Industries, Inc.).
Key specifications for EW63001: Core Environmental Protection: CORROSION RESISTANT; Criticality Code Justification: AGAV; Spring Tension Type: MEDIUM; Size Designation: STANDARD. 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.
NSN 4820-01-083-4638 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.