Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 283550 1432 found under Valve Ball Hydrauli by Atlantic Inertial Systems Inc. The National Stock Number assigned to this part is 4810011975222, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 283550 1432.