The Fan,tubeaxial, cataloged under National Stock Number 4140-01-497-5107, 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 Div Space & Airborne Systems. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4140-01-497-5107 |
| Primary Part Number | 143081-01 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Flow Direction | INWARD |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Material | ALUMINUM HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 235.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| 143081-01 | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 031090 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 143081-01 | 5/9 Secondary reference Harris Corporation Dba Edo Reconnaissance and Surveillance Systems Div Ew Recon and Surveillance Systems |
NSN 4140-01-497-5107 is a Fan,tubeaxial, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-497-5107 has 1 manufacturer part number on file: 143081-01 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6540-01-509-5810, 4140-01-568-3751. Verify interchangeability with system specifications before substitution.
Key specifications for 143081-01: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Flow Direction: INWARD; Drive Type: DIRECT; Style Designator: FIXED. 9 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.