Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1.60.1238 found under Bushing Shaft Log by Michell Bearings Member Of Rolls Roy. The National Stock Number assigned to this part is 2040013544993, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1.60.1238.