Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST650BP03R31 found under Starter Engine Air by Ingersoll Rand Corp. The National Stock Number assigned to this part is 2995014938348, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ST650BP03R31.