Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TS18131ST found under Cylinder Actuating by Actuant Corporation. The National Stock Number assigned to this part is 3040014860417, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TS18131ST.