Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM58-3-100P found under Fiber Rope Assembly Single Leg by Syntech Systems Inc. The National Stock Number assigned to this part is 4020013768533, and the Federal Supply Class is 4020 Fiber Rope Cordage And Twine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SM58-3-100P.