Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPE-45X31PB found under Paper Map by Star Micronics Inc. The National Stock Number assigned to this part is 9310015161669, and the Federal Supply Class is 9310 Paper And Paperboard. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SPE-45X31PB.