The Fan,tubeaxial, cataloged under National Stock Number 4140-01-351-3891, 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 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (CAGE 14304) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-351-3891 |
| Primary Part Number | B22-0025-003 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| 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 |
|---|---|
| B22-0025-003 | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
| Reference | Meaning |
|---|---|
| 032271 | 5/9 Secondary reference U.S. Government activity |
| 031158 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 6511538 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4140-01-351-3891 is a Fan,tubeaxial, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-351-3891 has 1 manufacturer part number on file: B22-0025-003 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).
2 possible matches (shared part number, not a government interchangeability claim): 4140-01-509-3608, 6540-01-514-3460. 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.