Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 288991 found under Transmission Hydraulic Vehicular by S I T Corporation. The National Stock Number assigned to this part is 2520012615230, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 288991.