Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JCPR20 found under Chipboard by Joint Committee On Printing. The National Stock Number assigned to this part is 8135005513263, and the Federal Supply Class is 8135 Packaging And Packing Bulk Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JCPR20.