National Stock Number
5310-01-225-7750
National Stock Number (NSN) 5310-01-225-7750, or NIIN 012257750, (nut,plain,rectangular) was assigned February 7, 1986 in the Federal Logistics Information System (FLIS). NIIN 012257750 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 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, 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 item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012257750 does not contain precious metals.
This information was last updated on Jul 01, 2025.