National Stock Number
4320-00-740-8732
National Stock Number (NSN) 4320-00-740-8732, or NIIN 007408732, (shaft,transmission,pump) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4320007905113.
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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 May 23, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 39430. [AN INTERNAL COMPONENT OF A PUMP WHICH MAY BE EITHER TOTALLY ENCLOSED WITHIN THE PUMP FOR DRIVING OTHER INTERNAL COMPONENTS OR IT MAY EXTEND BEYOND THE PUMP HOUSING TO BE EITHER CONNECTED TO AN EXTERNAL POWER SOURCE OR TO PROVIDE POWER TO OTHER MACHINERY.]. 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 4320007408732 contains an unknown precious metal.
This NSN is associated to Schedule B 8483308065: transmission shafts and cranks: bearing housings, plain shaft bearings with housing, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Jul 01, 2025.