The Seat,valve, cataloged under National Stock Number 4820-01-189-8622, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 1 specification, 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 | 4820-01-189-8622 |
| Primary Part Number | 50131-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 50131-1 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
NSN 4820-01-189-8622 is a Seat,valve, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-189-8622 has 1 manufacturer part number on file: 50131-1 (The Dewey Electronics Corporation Div Pitometer Log Division).
Key specifications for 50131-1: Material: NICKEL ALLOY OVERALL. 1 specification is 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.