Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CL1836 found under Switch Optical by Clairex Technologies. The National Stock Number assigned to this part is 5980011316949, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CL1836.