Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50-3579 found under Fiber Rope Assembly Single Leg by Clamshell Structures Inc. The National Stock Number assigned to this part is 4020014637890, 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 50-3579.