Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A55B32509-413 found under Bolt Shoulder by D F P Manufacturing Corp. The National Stock Number assigned to this part is 5306013511746, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A55B32509-413.