National Stock Number
5340-00-422-1601
National Stock Number (NSN) 5340-00-422-1601, or NIIN 004221601, (plug,fusible) was assigned December 16, 1970 in the Federal Logistics Information System (FLIS). NIIN 004221601 was cancelled on December 2, 1997, 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 are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 11108. [AN EXTERNALLY THREADED CYLINDRICAL ITEM, USUALLY CONTAINING A FUSIBLE CORE, OR A TAPERED SMOOTH FINISHED PRESS-IN INSERT MADE ENTIRELY OF METALLIC EUTECTIC SUBSTANCE. IF WITHOUT CORE, THE ITEM MAY BE MACHINED INTERNALLY OR HAVE PROVISIONS TO ACCOMODATE SAME. IT IS A SAFETY DEVICE FOR AIRCRAFT WHEELS (PREVENTS HEAT INDUCED TIRE EXPLOSION), BOILERS, COMPRESSORS, AND SIMILAR EQUIPMENT.]. 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 5340004221601 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.