Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1308-19D found under Bolt Shear by Butler Inc. The National Stock Number assigned to this part is 5306009200712, 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 NAS1308-19D.