>> Search results for: BK247 NSN Search Results National Stock Number (NSN) Description 5306-01-571-8391, 5306015718391 BOLT KIT,AIRCRAFT,M 2840-21-820-5989 , 2840218205989 CASING, AIR 2840-21-820-5987, 2840218205987 CASING, AIR 4730-21-845-6851 , 4730218456851 FLANGE,PIPE 2840-21-809-7717, 2840218097717 CASING SET, AIR 2840-21-820-5990 , 2840218205990 CASING, AIR 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