Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87B7450-10 found under Actuating Knob Assy by Gentex Corporation. The National Stock Number assigned to this part is 5355013727857, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 87B7450-10.