The Fan Assembly,centrifugal, cataloged under National Stock Number 4140-01-573-5509, 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 International Business Machines Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-573-5509 |
| Primary Part Number | 44X1978 |
| Item Name | Fan Assembly,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | International Business Machines Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 44X1978 PRIMARY | International Business Machines Corporation (USA) |
NSN 4140-01-573-5509 is a Fan Assembly,centrifugal, manufactured by International Business Machines Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-573-5509 has 1 manufacturer part number on file: 44X1978 (International Business Machines Corporation).
Key specifications for 44X1978: Special Features: BLADECENTER T (TYPE 8720/30) 2RX BLOWER MODULE; Part Name Assigned by Controlling Agency: MODULE,BLOWER; End Item Identification: E-8C JSTARS. 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.
NSN 4140-01-573-5509 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.