Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 210-0-001-REV A found under Sensor Port Up by Maritime Applied Physics Corporation. The National Stock Number assigned to this part is 6685016047678, 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 210-0-001-REV A.