Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22-1659B found under Valve Suction by Bailey Refrigeration Co Inc. The National Stock Number assigned to this part is 4130009692194, 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 22-1659B.