Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 748-0007 found under Ring Retaining by Warner Electric Brake And Clutch Co. The National Stock Number assigned to this part is 5325011296038, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 748-0007.