Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B05 0491 01 found under Delay Line by Information Displays Inc. The National Stock Number assigned to this part is 5999010725196, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B05 0491 01.