>> Search results for: 999R0228 NSN Search Results National Stock Number (NSN) Description 4320-01-213-7731, 4320012137731 RING,WEARING 4320-01-213-7744 , 4320012137744 DEFLECTOR,DIRT AND LIQUID 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