Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3S138C3-194-300FL found under Shim by Associated Aircraft Supply Co. The National Stock Number assigned to this part is 5365009340024, 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 3S138C3-194-300FL.