National Stock Number (NSN) 5970-01-525-0321, or NIIN 015250321, (insulation sleeving,electrical) was assigned October 26, 2004 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 4 different suppliers. The last contract numbers awarded were: SPE4A624V6663, SPE4A623V552S, SPM4A411V6861, SPM4A010M1599. The total value of the awarded contracts has been US$ 159.75.
This NSN is fairly common among different weapons systems, belonging to 20 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 Feb 19, 2010, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
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 5970015250321 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.