Product Details | AXIAL FAN IMPELLER

4140-01-206-1004 An item with blades or vanes equally spaced radially around the periphery of a hub, flange, or rotor. It is the rotating part of an axial type fan, electric motor, generator, and the like which creates a flow of air or gas parallel to the axis of rotation.20229300045Engine Cooling System Components, Nonaircraft41400043Fans, Air Circulators, and Blower Equipment

Part Alternates: 7W403981, 7W-40398-1, 9W-57435 PIECE 1, 9W57435PIECE1, 4140-01-206-1004, 01-206-1004, 4140012061004, 012061004

Refrigeration, Air Conditioning, and Air Circulating Equipment | Fans, Air Circulators, and Blower Equipment

Supply Group (FSG) NSN Assign. NIIN
41 13 APR 1985 01-206-1004

Drawings & Photos | NSN 4140-01-206-1004


Demand History | NSN 4140-01-206-1004

Part Number Request Date QTY Origin
9W-57435 PIECE 1 2023-03-74 1 DIBBS
B7W-40398-1 2023-03-74 1 DIBBS
9W-57435 PIECE 1 2021-07-195 1 DIBBS
B7W-40398-1 2021-07-195 1 DIBBS
4140-01-206-1004 2016-06-158 2 DIBBS
4140-01-206-1004 2014-08-226 1 DIBBS
4140-01-206-1004 2014-08-215 1 DIBBS

Cross Reference | NSN 4140-01-206-1004

Part Number Cage Code Manufacturer
7W-40398-1 09519 NEW PHILADELPHIA FAN CO BUFFALO FORGE MARINE FANS
7W-40398-1 75477 HOWDEN NORTH AMERICA INC. DBA HOWDEN NORTH AMERICA
9W-57435 PIECE 1 09519 NEW PHILADELPHIA FAN CO BUFFALO FORGE MARINE FANS
9W-57435 PIECE 1 75477 HOWDEN NORTH AMERICA INC. DBA HOWDEN NORTH AMERICA

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Technical Data | NSN 4140-01-206-1004

Characteristic Specifications
STYLE DESIGNATOR 2 STRAIGHT TIP
DIAMETER 31.175 INCHES MINIMUM AND 31.177 INCHES MAXIMUM
MATERIAL ALUMINUM OVERALL
BLADE QUANTITY 9
SPECIAL FEATURES DESIGNED FOR CCW ROTATION DIRECTION
III END ITEM IDENTIFICATION VANEAXIAL FAN,BUFFALO FORGE CO SIZE A16A
MANUFACTURERS CODE 09519
DESIGN CONTROL REFERENCE 7W-40398-1

Restrictions/Controls & Freight Information | NSN 4140-01-206-1004

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information