Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GUDELACE21DBLK found under Tape Lacing And Tying by Gudebrod Inc. The National Stock Number assigned to this part is 4020004326963, 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 GUDELACE21DBLK.