National Stock Number
5975-00-439-4266
National Stock Number (NSN) 5975-00-439-4266, or NIIN 004394266, (pin,insulator) was assigned December 1, 1969 in the Federal Logistics Information System (FLIS). NIIN 004394266 was cancelled on April 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5975007687465. This NSN replaces 1 stock number, 5975000738191.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, one supplier is listed as an Active supplier 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) 02942. [AN ITEM DESIGNED TO BE INSERTED INTO A CROSSARM FOR THE SPECIFIC PURPOSE OF MOUNTING PIN TYPE ELECTRICAL INSULATORS. EXCLUDES:BRACKET,INSULATOR.]. 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 5975004394266 does not contain precious metals.
This information was last updated on Aug 01, 2025.