Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST3M472R5A110E found under Stud Turnlock Fastener by Trico Manufacturing Inc. The National Stock Number assigned to this part is 5325012991363, 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 ST3M472R5A110E.