>> Search results for: 4004674851ITEM16 NSN Search Results National Stock Number (NSN) Description 2040-01-057-8449, 2040010578449 INSERT,HULL FITTING 2040-01-170-4242 , 2040011704242 INSERT,HULL FITTING,PERISCOPE 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