National Stock Number
5975-12-143-8978
National Stock Number (NSN) 5975-12-143-8978, or NIIN 121438978, (locknut,electrical conduit) has an unknown assigned date. 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, with the most recent procurement date of Feb 04, 2011. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM4A611MCY91, SPM4A411V3194, SPM4A611V2377, SPM4A611MBQ19, SPM4A611MAY58. The total value of the awarded contracts has been US$ 2,134.66.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 22895. [AN ITEM HAVING INTERNAL THREADS DESIGNED TO FIT THE EXTERNAL THREADS OF AN ELECTRICAL CONDUIT OR FITTING FOR CONNECTING TO A JUNCTION BOX, PANEL, WIREWAY, OR OTHER POINT OF TERMINATION, AND WHICH, WHEN INSTALLED, PROVIDES A METHOD OF TIGHTENING TO LOCK THE CONNECTION. THE ITEMS MAY BE EITHER FLAT-SIDED OR CIRCULAR IN EXTERNAL SHAPE AND MUST HAVE A SPECIFIC CONDUIT SIZE DESIGNATION. SEE BONDNUT, ELECTRICAL CONDUIT AND LOCKNUT, TUBE FITTING. EXCLUDES:NUT (1), PLAIN HEXAGON.].
This information was last updated on Oct 22, 2025.