Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64-75-1 found under Ring Retaining by Dresser Industries Inc. The National Stock Number assigned to this part is 5325008093389, 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 64-75-1.