Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4X105D2 found under Shim by Standard Mfg Co Inc. The National Stock Number assigned to this part is 5365013596122, 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 4X105D2.