Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 83-83536 found under Valve Regulating Fluid Pressure by Aeronautical And Support Equipment. The National Stock Number assigned to this part is 4810013301005, 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 83-83536.