Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C4CM10042-4 found under Housing Switch Asse by Bombardier Aerospace. The National Stock Number assigned to this part is 5930008671206, 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 C4CM10042-4.