>> Search results for: B1620D0000REVA NSN Search Results National Stock Number (NSN) Description 4820-01-254-3972, 4820012543972 SEAT,VALVE 4820-01-255-2239 , 4820012552239 VALVE,CHECK 4820-01-255-2247, 4820012552247 DISC,HINGE ASSY 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