National Stock Number
5306-21-913-3401
National Stock Number (NSN) 5306-21-913-3401, or NIIN 219133401, (bolt,square neck) has an unknown assigned date. 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) 15939. [A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, WITH A SQUARE NECK DIRECTLY BENEATH THE HEAD.].
This information was last updated on Aug 08, 2025.