4470-01-361-8563 (688J394PC63)
4470-01-361-8563 is equivalent to manufacture part number 18D8186H06. It is a cap insulator and is classified under Federal Supply Class 4470 (4470 - Nuclear Reactors), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4470 - Nuclear Reactors and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.