Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS4167 TY1CL1STBDEA found under Crowfoot Attachment Socket Wrenc by General Services Administration. The National Stock Number assigned to this part is 5120001816765, 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 AS4167 TY1CL1STBDEA.