Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43613 found under Brush Wire Rotary End by Carey Machinery And Supply Co. The National Stock Number assigned to this part is 5130013378689, and the Federal Supply Class is 5130 Hand Tools Power Driven. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 43613.