National Stock Number
5999-01-691-8259
National Stock Number (NSN) 5999-01-691-8259, or NIIN 016918259, (heat sink-insulator) was assigned October 30, 2020 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) 39324. [AN ITEM SPECIFICALLY DESIGNED TO BE THERMALLY CONDUCTIVE AND ELECTRICALLY INSULATING. FOR ITEMS DESIGNED TO DISSIPATE HEAT ONLY, SEE HEAT SINK, ELECTRICAL-ELECTRONIC COMPONENT. FOR ITEMS DESIGNED TO INSULATE ONLY, SEE INSULATOR (1) (AS MODIFIED).]. 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 5999016918259 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 Jul 01, 2025.