Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17487-309 found under Lock Bolt by Aar Manufacturing Inc. The National Stock Number assigned to this part is 1560002358178, 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 17487-309.