The Installation Kit,air Conditionin, cataloged under National Stock Number 4120-01-653-1539, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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 | Installation Kit,air Conditionin |
| FSC / FSG | 4120 — Air Conditioning Equipment (FSG 41) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 4120-01-653-1539 |
| Primary Part Number | 125-2742 |
| Item Name | Installation Kit,air Conditionin |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 125-2742 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4120-01-653-1539 is a Installation Kit,air Conditionin, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-653-1539 has 1 manufacturer part number on file: 125-2742 (Caterpillar Inc Div Caterpillar Defense).
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.