The Fan,tubeaxial, cataloged under National Stock Number 4140-01-058-1968, 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 26 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-058-1968 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Surface Treatment Document and Classification | TT-E-489,TYPE B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Housing Inside Diameter | 4.500 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 37.0 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 85.0 CELSIUS DEGC |
| Height | 4.680 INCHES MINIMUM AND 4.683 INCHES MAXIMUM IN |
| Operating Speed at Rated Capacity in RPM | 5200.0 |
| Surface Treatment | ENAMEL GLOSS OVERALL |
| Environmental Protection | SALT SPRAY RESISTANT AND SHOCK PROOF AND VIBRATION PROOF |
| Width | 4.680 INCHES MINIMUM AND 4.683 INCHES MAXIMUM IN |
| Material | ALUMINUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 180.000 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 |
|---|---|
| 6090846-2 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 028046 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| A074793-1 | 5/2 Secondary reference U.S. Government activity |
| 028046 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-058-1968 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-058-1968: Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE; Frequency in Hertz: 400.0. 26 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.