The Fan,tubeaxial, cataloged under National Stock Number 4140-01-497-8075, 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 Comair Rotron Usa, Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-497-8075 |
| Primary Part Number | 19031074A |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Comair Rotron Usa, Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Shaft Bearing Type | BALL |
| Length | 1.500 INCHES NOMINAL IN |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 4.450 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 4.900 INCHES NOMINAL IN |
| Width | 4.900 INCHES NOMINAL IN |
| Material | ZINC ALLOY HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 150.0 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 |
|---|---|
| 19031074A | Comair Rotron Usa, Inc (USA) |
| Reference | Meaning |
|---|---|
| 031074 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 2007795-102 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation |
| GL12B3/031711 | 5/9 Secondary reference Shanghai Comairrotron Fan Co Ltd |
| 031074 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-497-8075 is a Fan,tubeaxial, manufactured by Comair Rotron Usa, Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-497-8075 has 1 manufacturer part number on file: 19031074A (Comair Rotron Usa, Inc).
Key specifications for 19031074A: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Shaft Bearing Type: BALL; Length: 1.500 INCHES NOMINAL IN; Flow Direction: OUTWARD. 14 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.