National Stock Number
5640-01-115-4737
National Stock Number (NSN) 5640-01-115-4737, or NIIN 011154737, (cement,insulation,high temperatu) was assigned July 8, 1981 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 2 suppliers. 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 16941. [A MIXTURE OF REFRACTORY MATERIAL (DIATOMACEOUS EARTH, EXFOLIATED MICA, ROCK OR MINERAL WOOL AND THE LIKE) ASBESTOS FIBERS, AND CLAY BINDER USED FOR INSULATING HIGH TEMPERATURE WORK, PIPING, TANKS, AND GENERAL USE.]. 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 5640011154737 does not contain precious metals.
This NSN is associated to Schedule B 3816000010: refractory cements, mortars, concretes and similar compositions of clay other than products of heading 3801. The Schedule B End Use is listed as mineral supplies-manufactured.
This information was last updated on Aug 01, 2025.