The Gear Operator,valve, cataloged under National Stock Number 4820-01-406-2026, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Transdigm Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Transdigm Inc (CAGE 04638) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-406-2026 |
| Primary Part Number | 2101110-001 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Transdigm Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 2101110-001 PRIMARY | Transdigm Inc (USA) |
| Reference | Meaning |
|---|---|
| 2101120 | D/9 Drawing number reference only Transdigm Inc |
NSN 4820-01-406-2026 is a Gear Operator,valve, manufactured by Transdigm Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-406-2026 has 1 manufacturer part number on file: 2101110-001 (Transdigm Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-406-4732, 3040-01-413-4059. 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.