Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6053343-005 found under Washer Lock by Curtiss Wright Electro Mechanical Corporation Dba Steam And Air Solutions Div Cu. The National Stock Number assigned to this part is 5310016197723, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6053343-005.