Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CB3301-99-L156 found under Slide Modem by General Devices Co Inc. The National Stock Number assigned to this part is 5975015185705, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CB3301-99-L156.