>> Search results for: AA840A NSN Search Results National Stock Number (NSN) Description 4820-00-462-2098, 4820004622098 VALVE,VACUUM REGULATING 4820-01-461-3862 , 4820014613862 VALVE,VACUUM BREAKING 1730-99-763-5080, 1730997635080 VACUUM RELIEF VALVE 1 Related Inventory 33K415AA840ACondition NEVacuum Relief V Readily AvailableAdd to RFQ 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