Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A350603-1001 found under Seal Assembly Winds by Kirkhill Ta Co. The National Stock Number assigned to this part is 1560011257767, 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 74A350603-1001.