Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HT-50DC-515RED found under Alarm Set Anti Intrusion Restric by Protection Technologies Inc. The National Stock Number assigned to this part is 6350012967037, 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 HT-50DC-515RED.