Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66B2SIB2BWB found under Terminal Board by International Rectifier Corporation. The National Stock Number assigned to this part is 5940001780078, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 66B2SIB2BWB.