National Stock Number
5640-01-024-6974
National Stock Number (NSN) 5640-01-024-6974, or NIIN 010246974, (insulation pipe fitting covering,thermal) was assigned July 18, 1976 in the Federal Logistics Information System (FLIS). NIIN 010246974 was cancelled on September 25, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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, there are no suppliers 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) 20893. [AN ITEM COMPOSED OF ONE OR MORE MATERIALS, MOLDED, COMPRESSED AND/OR BAKED INTO A RIGID COVERING OF THE PROPER SHAPE AND SIZE FOR VARIOUS STANDARD PIPE OR TUBE FITTINGS. IT IS SPECIFICALLY DESIGNED TO RESTRICT THE TRANSFER OF HEAT OR PROTECT FROM LOW OR HIGH TEMPERATURES. THE MOLDS ARE CUT IN HALF LENGTHWISE AND MAY BE FURNISHED WITH PROTECTIVE COATINGS, JACKETS, ATTACHING BANDS, AND/OR ACCESSORIES FOR APPLICATION, (EXCLUDING PREFABRICATED COMPONENTS USED IN AIRCRAFT APPLICATIONS). EXCLUDES:INSULATION PIPE COVERING, THERMAL, AIRCRAFT.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 5640010246974 does not contain precious metals.
This information was last updated on Jul 01, 2025.