The Cooling Fan Air Cir, cataloged under National Stock Number 4140-01-469-0179, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Rotron Incorporated. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-469-0179 |
| Primary Part Number | 1983642 |
| Item Name | Cooling Fan Air Cir |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rotron Incorporated |
| 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 |
|---|---|
| 1983642-0001-AS | Rotron Incorporated (USA) |
| 1983642 PRIMARY | Rotron Incorporated (USA) |
| 12975863 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 12975863 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-01-469-0179 is a Cooling Fan Air Cir, manufactured by Rotron Incorporated, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-469-0179 has 4 manufacturer part numbers on file: 1983642-0001-AS (Rotron Incorporated), 1983642 (Rotron Incorporated), 12975863 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 12975863 (Rotron Incorporated).
Key specifications for 1983642: End Item Identification: INFANTRY FIGHTING VEHICLE M2,M2A1,M2A2 AND CAVALRY FIGHTING VEHICLE M3,M3A1,M3A2. 0 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.