Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS6604D16 found under Bolt Shear by Standard Aero Inc. The National Stock Number assigned to this part is 5306012002066, 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 NAS6604D16.