The Switch,lock,ignition, cataloged under National Stock Number 2920-01-249-4565, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Tcm America, Inc Sc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2920-01-249-4565 |
| Primary Part Number | 25182-42001D |
| Item Name | Switch,lock,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Tcm America, Inc Sc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Terminal Type and Quantity | 4 SCREW |
| Hazardous Locations/environmental Protection | WATERPROOF |
| 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 |
|---|---|
| 25182-42001D PRIMARY | Tcm America, Inc Sc (USA) |
| Reference | Meaning |
|---|---|
| 25182-42001C | 5/9 Secondary reference Tcm America, Inc Sc |
| 25182-42001 | C/1 Advisory reference — outside the item-of-supply concept Tcm America, Inc Sc |
NSN 2920-01-249-4565 is a Switch,lock,ignition, manufactured by Tcm America, Inc Sc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-249-4565 has 1 manufacturer part number on file: 25182-42001D (Tcm America, Inc Sc).
Key specifications for 25182-42001D: Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 4 SCREW; Hazardous Locations/environmental Protection: WATERPROOF. 3 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.
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.