National Stock Number
5310-00-199-6944
National Stock Number (NSN) 5310-00-199-6944, or NIIN 001996944, (nut,plain,square) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). NIIN 001996944 was cancelled on June 7, 2001, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310000110634. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 01858. [A NUT, FLAT ON TOP AND BOTTOM, HAVING 4 FLAT SIDES. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS 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 5310001996944 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.