Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1850VS59-1-17PC70 found under Disk Valve by Maritime Administration. The National Stock Number assigned to this part is 4130004473785, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1850VS59-1-17PC70.