National Stock Number
5310-01-257-9121
National Stock Number (NSN) 5310-01-257-9121, or NIIN 012579121, (nut,clip-on) was assigned June 25, 1987 in the Federal Logistics Information System (FLIS). NIIN 012579121 was cancelled on March 21, 2002, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, 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) 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012579121 does not contain precious metals.
This information was last updated on Jul 01, 2025.