>> Search results for: 390663C91 NSN Search Results National Stock Number (NSN) Description 5330-00-716-6782, 5330007166782 SEAL,PLAIN 5330-01-371-7907 , 5330013717907 SEAL,PLAIN ENCASED 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