>> Search results for: 390664C91 NSN Search Results National Stock Number (NSN) Description 5330-00-716-6786, 5330007166786 SEAL UPPER COVER 5330-01-004-2150 , 5330010042150 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