National Stock Number (NSN) 5970-00-899-6660, or NIIN 008996660, (insulation sleeving,electrical) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 16 stock numbers. Five of the National Stock Numbers that it replaces are: 5970009410327, 5970007257620, 5970000500299, 5970009410945, 5970012679363.
There are 55 manufacturer part numbers associated with this NSN. 12 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 38 suppliers. Today, 32 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 13 sources of supply.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 10 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A625V272K, SPE4A625V074D, SPE4A625V0770, SPE4A623V270C, SPE4A618V3642. The total value of the awarded contracts has been US$ 18,501.95.
This NSN is very common among different weapons systems, belonging to 155 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 Jul 19, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00867. [A RIGID OR FLEXIBLE TUBING HAVING UNIFORM INSIDE AND OUTSIDE DIAMETERS IN THE OVERALL LENGTH. IT IS SPECIFICALLY DESIGNED TO PREVENT ANY UNDESIRABLE FLOW OF CURRENT BETWEEN CONDUCTORS AND OTHER OBJECTS. INCLUDES SHRINKABLE TYPE TUBING, ITEMS IN BULK AND IN SPECIFIC FABRICATED LENGTHS (CUT TO SIZE). EXCLUDES:ITEMS NOT HAVING RATED ELECTRICAL CHARACTERISTICS. ALSO EXCLUDES:BUSHING, SLEEVE; CABLE NIPPLE, ELECTRICAL; CONDUIT (AS MODIFIED); INSULATION SLEEVING, ELECTRICAL, SPECIAL PURPOSE; INSULATION SLEEVING, THERMAL; SLEEVE, MARKER, CABLE; SLEEVING, TEXTILE, ELECTRICAL; TUBING, GLASS; AND TUBING, NONMETALLIC.]. 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 5970008996660 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.