Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15102-B AND 40153 found under Pump Vane Vacuum by Spx Corporation. The National Stock Number assigned to this part is 4320009495864, 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 15102-B AND 40153.