>> Search results for: 820217862828 NSN Search Results National Stock Number (NSN) Description 4470-00-091-9312, 4470000919312 CAP ASSEMBLY,VENT 4470-00-442-3803 , 4470004423803 CAP ASSEMBLY,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