>> Search results for: KEC1558 NSN Search Results National Stock Number (NSN) Description 5340-99-642-7902, 5340996427902 BUSHING,NONMETALLIC 5640-15-166-6283 , 5640151666283 BUSH INSULATING 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information