Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1251-0027 found under Plug Tip by Keysight Technologies Inc. The National Stock Number assigned to this part is 5935006422977, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1251-0027.