National Stock Number
5640-01-502-1520
National Stock Number (NSN) 5640-01-502-1520, or NIIN 015021520, (insulation sleeving,thermal) was assigned October 28, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, there are no suppliers that are 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 16, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 13289. [A RIGID OR FLEXIBLE ITEM COMPOSED OF ONE OR MORE MATERIALS, HAVING UNIFORM INSIDE AND OUTSIDE DIAMETERS IN THE ENTIRE LENGTH. IT MAY BE FURNISHED IN SEGMENTS OR SPLIT-ROUND OR FULL-ROUND SECTIONS, COMPOSED OF ONE OR MORE LAYERS. IT IS SPECIFICALLY DESIGNED TO COVER PIPE, TUBING, AND LIKE SURFACES, TO RESTRICT THE TRANSFER OF HEAT FROM THE HIGH TEMPERATURE SURFACE TO THE LOW TEMPERATURE SURFACE. IT MAY ALSO INCLUDE PROTECTIVE COATINGS, JACKETS, ATTACHING CEMENT, ATTACHING BANDS, AND/OR ACCESSORIES, (EXCLUDING PREFABRICATED COMPONENTS USED IN AIRCRAFT APPLICATIONS). EXCLUDES:INSULATION PIPE COVERING, THERMAL, AIRCRAFT.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5640015021520 does not contain precious metals.
This information was last updated on Aug 01, 2025.