The Fan,tubeaxial, cataloged under National Stock Number 4140-01-694-8725, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-694-8725 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Shaft Bearing Type | BALL |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 28.0 DC |
| Flow Direction | OUTWARD |
| Surface Treatment Document and Classification | 595 TT-E-489 TYPE B FED STD SINGLE TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 54.0 WATTS |
| Style Designator | FIXED |
| Blade Shape | BACKWARD CURVE |
| Ambient Temp at Full Rated Power | 85.0 CELSIUS DEGC |
| Height | 6.75 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 5000.0 |
| Color | BLACK |
| Surface Treatment | CHEMICAL AND ENAMEL LUSTERLESS OVERALL |
| Width | 5.920 INCHES NOMINAL IN |
| Test Data Document | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 354.0 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 |
| Reference | Meaning |
|---|---|
| ML9FL3381SF | 5/2 Secondary reference U.S. Government activity |
| 01161800 | 5/9 Secondary reference U.S. Government activity |
| 011618000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-694-8725 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-694-8725: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Shaft Bearing Type: BALL; Inclosure Type: PARTIALLY INCLOSED. 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.