National Stock Number
5310-01-551-6643
National Stock Number (NSN) 5310-01-551-6643, or NIIN 015516643, (nut,clip-on) was assigned May 23, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
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.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 24, 2007, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 35871. [AN INTERNALLY THREADED FASTENER, PLAIN OR SELF-LOCKING, OF VARIOUS SHAPES ATTACHED TO A PREFORMED ITEM OF SEMI-RIGID MATERIAL DESIGNED TO RETAIN, POSITION OR SUPPORT OTHER ITEMS BY ITS OWN INHERENT SPRING ACTION. THE INTERNALLY THREADED FASTENER AND THE PREFORMED ITEM MAY BE OF ONE PIECE CONSTRUCTION OR FASTENED TOGETHER BY OTHER MEANS.]. 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 5310015516643 does not contain precious metals.
This information was last updated on Aug 01, 2025.