>> Search results for: SMS221 NSN Search Results National Stock Number (NSN) Description 4320-01-006-1296, 4320010061296 SLEEVE,SHAFT,PUMP 4320-01-009-8952 , 4320010098952 RING,LABYRINTH 5120-14-329-6345, 5120143296345 OBUS,DE CENTRAGE 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