National Stock Number
5970-01-597-3991
National Stock Number (NSN) 5970-01-597-3991, or NIIN 015973991, (insulation sleeving,electrical,s) was assigned June 9, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A622P7359, SPE4A622V6123, SPE4A621PL092, SPE4A621V345C. The total value of the awarded contracts has been US$ 3,432.72.
This NSN is unique to one weapons system.
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 Jun 10, 2011, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 61626. [A RIGID OR FLEXIBLE TUBING HAVING OTHER THAN UNIFORM FABRICATED SHAPES OR FORMS. IT IS SPECIFICALLY DESIGNED TO PREVENT ANY UNDESIRABLE FLOW OF CURRENT BETWEEN CONDUCTORS OR BETWEEN CONDUCTORS AND OTHER OBJECTS. INCLUDES SHRINKABLE TYPE ITEMS. EXCLUDES:ITEMS NOT HAVING RATED ELECTRICAL CHARACTERISTICS. ALSO EXCLUDES:BUSHING, SLEEVE; CABLE NIPPLE, ELECTRICAL; AND 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 5970015973991 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.