Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5175 found under Yoke Valve Compressor by Norwalk Compreseer Company Inc. The National Stock Number assigned to this part is 4310001127149, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5175.