The Switch,heater,vehicular, cataloged under National Stock Number 2990-01-445-2352, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-445-2352 |
| Primary Part Number | 1Q1445 |
| Item Name | Switch,heater,vehicular |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Overall Diameter | 38.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 117-71-51-24 | Illini Power Products Co (USA) |
| 1Q1445 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2990-01-445-2352 is a Switch,heater,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-445-2352 has 2 manufacturer part numbers on file: 117-71-51-24 (Illini Power Products Co), 1Q1445 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1Q1445: Overall Diameter: 38.0 MILLIMETERS NOMINAL MM; Overall Length: 62.0 MILLIMETERS MINIMUM AND 69.0 MILLIMETERS MAXIMUM MM; End Item Identification: 2430-01-423-2819. 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.