Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B300-265-42 109 found under Terminal Lug by Environmental Technology Inc. The National Stock Number assigned to this part is 5940013532306, 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 B300-265-42 109.