Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JS13072 found under Retainer Nut And Bolt by Rolls Royce Corp. The National Stock Number assigned to this part is 5340016553523, 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 JS13072.