The Blower Module, cataloged under National Stock Number 4140-01-702-9493, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Blower Module |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | International Business Machines Corporation (CAGE 3BXY7); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-702-9493 |
| Primary Part Number | 31R3301/2 44E5083 |
| Item Name | Blower Module |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | International Business Machines Corporation |
| 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 |
|---|---|
| 31R3301/2 44E5083 PRIMARY | International Business Machines Corporation (USA) |
| 8269423-31 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8269423 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4140-01-702-9493 is a Blower Module, manufactured by International Business Machines Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-702-9493 has 2 manufacturer part numbers on file: 31R3301/2 44E5083 (International Business Machines Corporation), 8269423-31 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 5975-01-703-0980, 5895-01-703-1545, 5998-01-705-6183. Verify interchangeability with system specifications before substitution.
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.