>> Search results for: B1620E0200 NSN Search Results National Stock Number (NSN) Description 4820-01-203-0346, 4820012030346 VALVE,CHECK 4820-01-298-2198 , 4820012982198 VALVE,CHECK 4820-01-450-4911, 4820014504911 SEAT,VALVE 4820-01-450-4912 , 4820014504912 DISK,VALVE 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