Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B1.5-P-10A2 found under Pump Rotary by Vickers Inc. The National Stock Number assigned to this part is 4320004509948, 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 B1.5-P-10A2.