>> Search results for: B193909 NSN Search Results National Stock Number (NSN) Description 2840-00-452-6437, 2840004526437 COVER BLANK 2840-99-109-0317 , 2840991090317 DISC,SOLID,PLAIN 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