Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STD552-11 found under Insert Screw Thread by Goodrich Control Systems Ltd. The National Stock Number assigned to this part is 5325997675495, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like STD552-11.