Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PCM12030-220 440 found under Switch Thermostatic by Pacific Coast Marine Industries Inc. The National Stock Number assigned to this part is 5930013870137, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PCM12030-220 440.