National Stock Number
5640-01-038-4037
National Stock Number (NSN) 5640-01-038-4037, or NIIN 010384037, (insulation pipe fitting covering) was assigned April 6, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those 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.
This part number has not been procured by the US Government in over 5 years.
There has been very little 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 Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 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 5640010384037 does not contain precious metals.
This information was last updated on Apr 01, 2025.