Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3C18135A found under Data Link Light Signal by 3 Com Corporation. The National Stock Number assigned to this part is 6099014320308, and the Federal Supply Class is 6099 Miscellaneous Fiber Optic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3C18135A.