Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A8B0550-1 found under Heat Sink Electrica by Crane Electronics Inc. The National Stock Number assigned to this part is 5999016429391, 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 A8B0550-1.