Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C3051B-2 found under Coupler Fiber Optic by Commscope Inc. The National Stock Number assigned to this part is 6060013597627, and the Federal Supply Class is 6060 Fiber Optic Interconnectors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C3051B-2.