Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1251357-01 found under Delay Line by Ampex Systems Corp. The National Stock Number assigned to this part is 5999002108593, 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 1251357-01.