Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VARI-MATIC 111 found under Cleaner Ultrasonic by L And R Manufacturing Co Inc. The National Stock Number assigned to this part is 4940011456712, 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 VARI-MATIC 111.