National Stock Number
5640-00-054-8934
National Stock Number (NSN) 5640-00-054-8934, or NIIN 000548934, (insulation pipe fitting covering) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
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 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 5640000548934 does not contain precious metals.
This information was last updated on Aug 01, 2025.