National Stock Number
5975-00-518-3157
National Stock Number (NSN) 5975-00-518-3157, or NIIN 005183157, (locknut,electrical conduit) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 9 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers 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) 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 item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5975005183157 contains an unknown precious metal.
This NSN is associated to Schedule B 8543909000: electrical machines and apparatus parts, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Aug 01, 2025.