>> Search results for: 74B340054102 NSN Search Results National Stock Number (NSN) Description 1680-01-502-4631, 1680015024631 Cancelled -> Replaced by 1680015024638 1680-01-502-4638 , 1680015024638 BARRIER,FIRE BOOTST 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