The Fan,tubeaxial, cataloged under National Stock Number 4140-01-208-6568, 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 22 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-208-6568 |
| 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 |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 12.0 DC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 4.125 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 6.0 WATTS |
| Style Designator | FIXED |
| Height | 4.690 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3100.0 |
| Surface Treatment | PAINT HOUSING |
| Width | 4.690 INCHES NOMINAL IN |
| Material | PLASTIC BLADE |
| Material | ZINC ALLOY HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 95.000 CUBIC FEET PER MINUTE MINIMUM AND 125.000 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| 028868 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| MD12B2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 76-0000-00N | C/1 Advisory reference — outside the item-of-supply concept Getronics Government Solutions Llc |
| 028868 | 5/9 Secondary reference U.S. Government activity |
| 3160-0429 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| B22-0007-001 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| MD12B2 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 38625002-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MD12B2 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-208-6568 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4140-01-429-9060. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-01-208-6568: Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Inclosure Type: FULLY INCLOSED; Length: 1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM IN. 22 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.