Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMB00PH56B found under Motor Alternating Current by Porter H K Co Inc. The National Stock Number assigned to this part is 6105003076349, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SMB00PH56B.