Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BRS 2004-13 found under Rope Fibrous by Helopak Inc. The National Stock Number assigned to this part is 4020016268061, 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 BRS 2004-13.