>> Search results for: B42S4 NSN Search Results National Stock Number (NSN) Description 4820-01-035-1425, 4820010351425 VALVE,BALL 4820-01-561-6230 , 4820015616230 VALVE,REGULATING,FLUID PRESSURE 4820-01-489-0856, 4820014890856 BALL,VALVE,PORTED 4920-99-736-9120 , 4920997369120 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