Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C4G1521-1 found under Strap Web by Bombardier Aerospace. The National Stock Number assigned to this part is 1560000838342, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C4G1521-1.