The Seat,valve, cataloged under National Stock Number 4820-01-139-4346, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Dynamics Land Systems Canadacorp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | General Dynamics Land Systems Canadacorp (CAGE 56161) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-4346 |
| Primary Part Number | 415442GDLS-C |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 415442GDLS-C | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 415442 | 3/9 Design control — primary reference Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
NSN 4820-01-139-4346 is a Seat,valve, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-139-4346 has 1 manufacturer part number on file: 415442GDLS-C (General Dynamics Land Systems Canadacorp).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-385-2702. Verify interchangeability with system specifications before substitution.
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.