Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19786-01 found under Micro Modem by Versitron Inc. The National Stock Number assigned to this part is 6030014596743, 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 19786-01.