Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM4050-64 found under Computer Subassembly by Adaptec Inc. The National Stock Number assigned to this part is 7050015278056, and the Federal Supply Class is 7050 Adp Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SM4050-64.