Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 330A APC-10 found under Attenuator Variable Light Signal by Greenlee Textron Inc. The National Stock Number assigned to this part is 6030014322039, 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 330A APC-10.