Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZGS-10025-1 found under Brake Drum by Zephyr International Llc. The National Stock Number assigned to this part is 3040015660506, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ZGS-10025-1.