National Stock Number
3010-00-640-2640
National Stock Number (NSN) 3010-00-640-2640, or NIIN 006402640, (coupling,shaft,flexible) 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, 2810000488757.
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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 04459. [A DEVICE FOR CONNECTING THE ENDS OF TWO SHAFTS SO THAT ROTARY MOTION OF ONE SHAFT IS TRANSMITTED TO THE OTHER SHAFT. IT IS CONSTRUCTED TO ALLOW FOR SLIGHT MISALIGNMENT OF SHAFTS BOTH LINEAR AND ANGULAR.]. 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 3010006402640 does not contain precious metals.
This NSN is associated to Schedule B 8483608000: shaft couplings, except universal joints. 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 Aug 01, 2025.