Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TST3M472W5A210M found under Stud Turnlock Fastener by Trico Manufacturing Inc. The National Stock Number assigned to this part is 5325010490729, 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 TST3M472W5A210M.