>> Search results for: EV98B NSN Search Results National Stock Number (NSN) Description 2990-01-218-5142, 2990012185142 VALVE,POSITIVE CRANKCASE VENTILA 4820-21-893-9158 , 4820218939158 VALVE,VENT 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