National Stock Number
5975-00-644-0187
National Stock Number (NSN) 5975-00-644-0187, or NIIN 006440187, (packing nut,stuffing tube) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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) 15324. [A THREADED OR UNTHREADED DEVICE, WITH AN UNTHREADED CENTER HOLE TO ACCOMMODATE AN ELECTRICAL CABLE OR TUBE, DESIGNED TO MATE WITH THE THREADS OR SEALING COMPONENTS OF A STUFFING TUBE BODY FOR THE PURPOSE OF COMPRESSING PACKING AROUND THE ELECTRICAL CABLE OR TUBE. A COMPONENT OF A STUFFING TUBE.]. 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 5975006440187 does not contain precious metals.
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.