The Seat,valve, cataloged under National Stock Number 4820-01-665-8317, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Woodward, Inc. Div Fuel Systems and Controls (CAGE 66503) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-665-8317 |
| Primary Part Number | 3421-048 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3421-048 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 4820-01-665-8317 is a Seat,valve, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-665-8317 has 1 manufacturer part number on file: 3421-048 (Woodward, Inc. Div Fuel Systems and Controls).
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 4820-01-665-8317 has DEMIL Code Q. 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.