National Stock Number
4140-01-491-8664
National Stock Number (NSN) 4140-01-491-8664, or NIIN 014918664, (fan,centrifugal) was assigned November 5, 2001 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 05, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is 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) 04254. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE HAVING A CENTRIFUGAL FAN IMPELLER INCLOSED WITHIN A HOUSING. IT IS DESIGNED TO MOVE AIR OR GAS OVER A WIDE RANGE OF VOLUMES AND PRESSURES. THE AIR OR GAS IS DRAWN IN AXIALLY AND DISCHARGED RADIALLY OR DRAWN IN RADIALLY AND DISCHARGED AXIALLY BY CENTRIFUGAL FORCE THROUGH AN OUTLET IN THE HOUSING.]. 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 4140014918664 does not contain precious metals.
This information was last updated on Aug 01, 2025.