Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PB20-2BPBBW 14M25113 found under Pump Rotary by Muncie Power Products Inc. The National Stock Number assigned to this part is 4320011422273, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PB20-2BPBBW 14M25113.