National Stock Number
4140-01-670-7183
National Stock Number (NSN) 4140-01-670-7183, or NIIN 016707183, (housing,centrifugal fan) was assigned March 2, 2018 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 03, 2018, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61534. [THE OUTER CASING OF A CENTRIFUGAL FAN DESIGNED TO INCLOSE AN IMPELLER. IT IS USUALLY OF ONE PIECE CONSTRUCTION CONTAINING INLET(S) AND OUTLETS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4140016707183 does not contain precious metals.
This NSN is associated to Schedule B 8414901040: parts of fans (including blowers) and ventilating or recycling hoods for permanent installation (of subheading 8414.51.00). The Schedule B End Use is listed as household appliances.
This information was last updated on Aug 01, 2025.