Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S6235-20033-004 found under Nut Main Gear Box by Sikorsky Aircraft Corporation. The National Stock Number assigned to this part is 5310009398723, 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 S6235-20033-004.