>> Search results for: 21001890 NSN Search Results National Stock Number (NSN) Description 4920-00-738-5584, 4920007385584 MODIFICATION KITXRA 4920-00-738-5585 , 4920007385585 MODIFICATION KITXRA 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