Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31654106 found under Wrench Safety Valve by Hamworthy Inc. The National Stock Number assigned to this part is 4310015052672, 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 31654106.