>> Search results for: 21B10212 NSN Search Results National Stock Number (NSN) Description 5310-00-978-7770, 5310009787770 Cancelled -> Replaced by 5330005760995 5998-01-044-8939 , 5998010448939 HOLDER,ELECTRICAL CARD 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