Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J300-8 found under Service Kit Bearing Carrier by Parker Hannifin Corporation. The National Stock Number assigned to this part is 4320004316434, 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 J300-8.