>> Search results for: 77S4018 NSN Search Results National Stock Number (NSN) Description 4540-01-261-0949, 4540012610949 COUPLING 3010-22-258-1884 , 3010222581884 COUPLNG 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