Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5853Y12 found under Shim by Triumph Actuation Systems Uk Limited. The National Stock Number assigned to this part is 5365004677261, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5853Y12.