>> Search results for: HEF4021B NSN Search Results National Stock Number (NSN) Description 5962-01-583-9669, 5962015839669 MICROCIRCUIT,DIGITAL 5962-01-241-7369 , 5962012417369 MICROCIRCUIT,DIGITAL 5962-12-314-0918, 5962123140918 MIKROSCHALTKREIS, D 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