Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 909TR found under Nut Plain Single Ball Seat Hexag by Oshkosh Corporation. The National Stock Number assigned to this part is 5310005501284, 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 909TR.