Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H71518-5-1 found under Insert Split Face by John Crane Inc. The National Stock Number assigned to this part is 3010014677901, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H71518-5-1.