The Fan,tubeaxial, cataloged under National Stock Number 4140-01-241-0505, 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 The Boeing Company Div Defense. Government technical data includes 23 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-241-0505 |
| Primary Part Number | 10M20-193 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 26.0 DC |
| Flow Direction | OUTWARD |
| Surface Treatment Document and Classification | TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE BLADE |
| Housing Inside Diameter | 2.812 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 8.600 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | 100.0 CELSIUS DEGC |
| Height | 3.140 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 5800.0 |
| Surface Treatment | ENAMEL OVERALL |
| Width | 3.140 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 60.0 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 |
|---|---|
| 10M20-193 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ML8L-026ECDC-N-1936SF | 5/9 Secondary reference U.S. Government activity |
| ML8L-026ECDC-N-1963SF | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| C011043 | D/9 Drawing number reference only U.S. Government activity |
| ML8L-026ECDC-S-1936SF | 5/2 Secondary reference U.S. Government activity |
| 011043000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-241-0505 is a Fan,tubeaxial, manufactured by The Boeing Company Div Defense, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-241-0505 has 1 manufacturer part number on file: 10M20-193 (The Boeing Company Div Defense).
Key specifications for 10M20-193: Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Inclosure Type: FULLY INCLOSED; Length: 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN. 23 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.