Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S8402BH3A found under Bolt Machine by Alliedsignal Inc. The National Stock Number assigned to this part is 5306007152488, 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 S8402BH3A.