Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13223741-012 found under Shim by Aselsan As Mikroelektronik Gudum. The National Stock Number assigned to this part is 5365014418499, 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 13223741-012.