Product Details | CENTRIFUGAL FAN HOUSING

4140-01-506-6741 The outer casing of a centrifugal fan designed to inclose an impeller. It is usually of one piece construction containing inlet(s) and outlets.

Part Alternates: 211299, 2112-99, 4140-01-506-6741, 01-506-6741, 4140015066741, 015066741

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

Supply Group (FSG) NSN Assign. NIIN
41 07 APR 2003 01-506-6741

Drawings & Photos | NSN 4140-01-506-6741


Demand History | NSN 4140-01-506-6741

Part Number Request Date QTY Origin
2112-99 2025-11-306 1 DIBBS
2112-99 2025-04-96 1 DIBBS
2112-99 2025-03-86 1 DIBBS

Cross Reference | NSN 4140-01-506-6741

Part Number Cage Code Manufacturer
2112-99 A138G POLARTHERM OY DBA THERMOGATE
2112-99 SB808 POLARTHERM OY

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Technical Data | NSN 4140-01-506-6741

Characteristic Specifications
HOUSING STYLE 65A FIXED, INVERTED, ROUND OUTLET
WIDTH 4.720 INCHES NOMINAL
LENGTH 18.740 INCHES NOMINAL
OUTLET INSIDE DIAMETER 18.110 INCHES NOMINAL
HEIGHT 18.740 INCHES NOMINAL
MATERIAL STEEL AND ALUMINUM HOUSING
PRIME MOVER FOR WHICH DESIGNED ELECTRIC MOTOR
SPECIAL FEATURES REQUESTED NAME -FAN,HOUSING, WT 3.15LBS AL-COATED STEEL
III END ITEM IDENTIFICATION NGH POLARTHERM NEW GENERATION HEATER, 4520-01-482-8571
III PART NAME ASSIGNED BY CONTROLLING AGENCY FAN,HOUSING

Restrictions/Controls & Freight Information | NSN 4140-01-506-6741

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 123080 HOUSINGS BLOWER/FAN STEEL
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 713 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
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 4140-01-506-6741

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each