National Stock Number
5970-01-115-2521
National Stock Number (NSN) 5970-01-115-2521, or NIIN 011152521, (insulator,disk) was assigned July 1, 1981 in the Federal Logistics Information System (FLIS). NIIN 011152521 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 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 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 5970011152521 does not contain precious metals.
This information was last updated on Aug 01, 2025.