National Stock Number
5970-00-633-6537
National Stock Number (NSN) 5970-00-633-6537, or NIIN 006336537, (insulator,bushing) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5970006275974.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 11 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 somewhat common among different platforms, belonging to 6 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government's rights to use data in its possession is questionable. (NOTE: This code is only applicable to parts under immediate buy requirements and only as long as rights to data are still under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18301. [AN INSULATOR DESIGNED TO FIT INTO AND REDUCE THE EFFECTIVE DIAMETER OF THE HOLE(S). IT MAY INCLUDE MOUNTING AND/OR CONDUCTING HARDWARE. FOR FLEXIBLE BUSHING-TYPE INSULATORS THAT ARE SELF-RETAINING AND CONSIST OF TWO FACING FLANGES SEPARATED BY A NECK, SEE GROMMET, NONMETALLIC. ALSO SEE SPACER, SLEEVE AND BUSHING, SLEEVE. EXCLUDES:INSULATION SLEEVING, ELECTRICAL.]. 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 5970006336537 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 Aug 01, 2025.