Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1303-6H found under Bolt Shear by C B S Fasteners Inc. The National Stock Number assigned to this part is 5306008286167, 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 NAS1303-6H.