Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC1-1305 found under Switch Thermostatic by Middleby Marshall Inc. The National Stock Number assigned to this part is 5930006151847, 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 MC1-1305.