Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GGG-B-001222 TY1CL4 found under Screwdriver Attachment Socket Wr by General Services Administration. The National Stock Number assigned to this part is 5120002221450, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GGG-B-001222 TY1CL4.