Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50-3161 found under Cord Assembly Elastic by Clamshell Structures Inc. The National Stock Number assigned to this part is 4020014637339, 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 50-3161.