>> Search results for: 2028640 NSN Search Results National Stock Number (NSN) Description 7690-01-491-1439, 7690014911439 LABEL 5330-99-821-4097 , 5330998214097 RING,SEALING,TOROID 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