>> Search results for: 55B3878 NSN Search Results National Stock Number (NSN) Description 1660-00-499-4500, 1660004994500 CAP ASSEMBLY 5310-00-801-1974 , 5310008011974 NUT,SLEEVE 1 Related Inventory 55A38795310008011974Condition NENUT Readily AvailableAdd to RFQ 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