Product Details | CENTRIFUGAL FAN IMPELLER

4140-00-842-3341 An item with blades, vanes, or paddles equally spaced radially or horizontally around the periphery of a hub, rotor, or wheel. It is the rotating part of a centrifugal fan, electric motor, generator and the like which creates a flow of air or gas perpendicular to the axis of rotation.

Part Alternates: 2993, 4140-00-842-3341, 00-842-3341, 4140008423341, 008423341

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

Supply Group (FSG) NSN Assign. NIIN
41 01 JAN 1962 00-842-3341

Drawings & Photos | NSN 4140-00-842-3341


Demand History | NSN 4140-00-842-3341

Part Number Request Date QTY Origin
2993 2023-11-313 50 MA
2993 2019-09-249 3

Cross Reference | NSN 4140-00-842-3341

Part Number Cage Code Manufacturer
2993 03538 LOCKHEED MARTIN CORPORATION DIV MST
2993 26344 NEW HAVEN MFG CORP

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Technical Data | NSN 4140-00-842-3341

Characteristic Specifications
STYLE DESIGNATOR 12 STRAIGHT RADIAL WITH BACK PLATE
WIDTH 0.462 INCHES NOMINAL
DIAMETER 2.250 INCHES NOMINAL
MATERIAL ALUMINUM OVERALL
BLADE QUANTITY 4
ROTATION DIRECTION FOR WHICH DESIGNED CLOCKWISE
ATTACHMENT METHOD SETSCREW AND THREADED
SPECIAL FEATURES CW IMPELLER ROTATION
MANUFACTURERS CODE 03538
DESIGN CONTROL REFERENCE 2993

Restrictions/Controls & Freight Information | NSN 4140-00-842-3341

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:UPrecious metal type is unknown
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
NMF Description 114990 BLADES BLAST/BLOWER WHEEL ETC
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 72E unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4140-00-842-3341

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each