Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B01-0648 ITEM 31 found under Guard Winch Control by Wintech International Llc. The National Stock Number assigned to this part is 5340016080136, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B01-0648 ITEM 31.