Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BB4-300GM found under Protector Electrical Cable by Checkers Industrial Products Llc. The National Stock Number assigned to this part is 5975015713172, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BB4-300GM.