National Stock Number
3040-01-691-6657
National Stock Number (NSN) 3040-01-691-6657, or NIIN 016916657, (shaft assembly,shouldered) was assigned October 22, 2020 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 41089. [AN ASSEMBLY WHICH CONSISTS OF A SHAFT, SHOULDERED AND COMPONENTS SUCH AS COUPLINGS, FLANGES, AND THE LIKE. THE SHAFT AND COMPONENTS ARE USUALLY WELDED TOGETHER.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3040016916657 does not contain precious metals.
This information was last updated on Jul 01, 2025.