Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C304-51004 found under Locking Plate Nut And Bolt by Abb Inc. The National Stock Number assigned to this part is 5340015500470, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C304-51004.