Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66D44164 found under Sensor Assy Voltage by West Tech Systems Inc. The National Stock Number assigned to this part is 6110009432622, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 66D44164.