Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZC8-57-002 004 found under Sensing Element Fire Detector Sy by Aidc Aerospace Industrial. The National Stock Number assigned to this part is 6340013858030, and the Federal Supply Class is 6340 Aircraft Alarm And Signal Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ZC8-57-002 004.