Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T17312 found under Crowfoot Attachment Socket Wrenc by Wilson K R Inc. The National Stock Number assigned to this part is 5120001816784, 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 T17312.