National Stock Number
5310-12-173-0420
National Stock Number (NSN) 5310-12-173-0420, or NIIN 121730420, (nut,self-locking,hexagon) has an unknown assigned date. This NSN replaces 1 stock number, 5310121705584.
There are 22 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 10 suppliers. Today, 8 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) 05277. [A NUT HAVING A FLAT BOTTOM AND 6 SIDES. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES:NUT (1), SELF-LOCKING, CAP.].
This information was last updated on Aug 15, 2025.