National Stock Number
1615-01-670-5721
National Stock Number (NSN) 1615-01-670-5721, or NIIN 016705721, (coupling,drive shaft) was assigned February 27, 2018 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 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 Feb 28, 2018, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 45246. [AN ITEM SPECIFICALLY DESIGNED TO CONNECT THE MAIN DRIVE SHAFT FROM THE ENGINE TO THE TRANSMISSION ON A ROTARY WING AIRCRAFT.]. 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 1615016705721 does not contain precious metals.
This NSN is associated to Schedule B 8803100060: propellers and rotors and parts thereof, for use in military aircraft. The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jun 01, 2025.