Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 14-20003-1 found under Bolt Internally Relieved Body by A F B Systems Inc. The National Stock Number assigned to this part is 5306004466527, 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 14-20003-1.