Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1201C13A found under Fastener Bead Chain by National Aerospace Standards. The National Stock Number assigned to this part is 4030000457693, and the Federal Supply Class is 4030 Fittings For Rope Cable And Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NAS1201C13A.