National Stock Number
5310-12-337-3823
National Stock Number (NSN) 5310-12-337-3823, or NIIN 123373823, (nut,plain,rectangular) has an unknown assigned date. 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, 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) 15890. [A NUT, FLAT ON TOP AND BOTTOM, HAVING FOUR FLAT SIDES OF WHICH TWO PARALLEL SIDES ARE SHORTER THAN THE OTHER TWO. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)].
This information was last updated on Aug 18, 2025.