>> Search results for: 14140013 NSN Search Results National Stock Number (NSN) Description 4240-01-253-0997, 4240012530997 RESPIRATOR,AIR FILTERING 5310-99-941-8521 , 5310999418521 WASHER,FLAT 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