Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TC1881 found under Multiplexer Light Signal by Milspec Services Pty Limited. The National Stock Number assigned to this part is 6030015796885, and the Federal Supply Class is 6030 Fiber Optic Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TC1881.