National Stock Number
5310-00-106-6552
National Stock Number (NSN) 5310-00-106-6552, or NIIN 001066552, (nut,self-locking,spline) was assigned July 17, 1968 in the Federal Logistics Information System (FLIS). NIIN 001066552 was cancelled on January 2, 2002, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310004541513. This NSN does not replace any other NSNs.
There are 3 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, there are no suppliers that 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) 15893. [A NUT HAVING AN EXTERNALLY SPLINED SLEEVE, WHICH HOLDS IT IN POSITION WHEN FORCED INTO A HOLE OF SLIGHTLY SMALLER DIAMETER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310001066552 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.