Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DT-135CL found under Sensing Element Fire Detector Sy by Cerberus Pyrotronics Inc. The National Stock Number assigned to this part is 6350014060436, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DT-135CL.