Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 08090591 found under Sleeve Shaft Pump by Joyce Telectronics Corp. The National Stock Number assigned to this part is 4320016155005, 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 08090591.