National Stock Number
5970-12-166-1989
National Stock Number (NSN) 5970-12-166-1989, or NIIN 121661989, (insulator,disk) 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.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
This NSN is assigned to Item Name Code (INC) 18295. [AN INSULATOR THAT IS ESSENTIALLY THIN, FLAT, AND ROUND IN SHAPE, WITH OR WITHOUT HOLES. THE GENERAL SHAPE MAY VARY BY THE ADDITION OF SUCH FEATURES AS BEVELED EDGES, INDENTED SURFACES, THROUGH-HOLE KEY AND/OR PERIPHERAL FLATS. IT MAY HAVE ONE OR MORE HOLES OFF CENTER; IF THERE ARE TWO OR MORE HOLES, ONE MAY BE CENTRALLY LOCATED. EXCLUDES:MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT.].
This information was last updated on Aug 18, 2025.