Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TA4012B12 found under Bracket Angle by Kirkhill Ta Co. The National Stock Number assigned to this part is 5340015601695, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TA4012B12.