Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WB2644M found under Bit Wire Wrapping Tool by O K Intl Inc. The National Stock Number assigned to this part is 5130010363765, 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 WB2644M.