National Stock Number (NSN) 5970-00-952-1231, or NIIN 009521231, (insulator,plate) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 5970010628778, 5970000038833, 5999010628783, 5970001007794, 5961004376388.
There are 11 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 17, 2016. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A616MF558, SPM4A711MB577, SPM4A711MB577, SPM4A610MAN31. The total value of the awarded contracts has been US$ 524.23.
This NSN is very common among different weapons systems, belonging to 34 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2004, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18296. [AN INSULATOR HAVING FLAT SURFACES, WITH OR WITHOUT HOLES, WHOSE THICKNESS DOES NOT EXCEED 25 PERCENT OF ITS LENGTH OR WIDTH, WHICHEVER IS SMALLER, AND WHOSE SHAPE IS OTHER THAN ROUND. EXCLUDES:INSULATOR (1), SPACER; INSULATOR (1), WASHER; MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT; PLATE, ELECTRICAL SHIELD; AND TERMINAL BOARD.]. 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 5970009521231 does not contain precious metals.
This NSN is associated to Schedule B 8546900000: electrical insulators, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 326199: all other plastics product manufacturing.
This information was last updated on Jul 01, 2025.