Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PENBK90BP3AK6 found under Refill Ball Point P by Pentel Co Ltd. The National Stock Number assigned to this part is 7510014255710, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PENBK90BP3AK6.