>> Search results for: 20R522 NSN Search Results National Stock Number (NSN) Description 4820-66-122-0998, 4820661220998 LID,VALVE 4820-66-122-0997 , 4820661220997 VALVE,CHECK 1 Related Inventory 30KD99953957-0070ACondition NETemperature Cal 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