Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5W-0911 found under Pipe Vehicular by Caterpillar Inc. The National Stock Number assigned to this part is 2590015469371, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5W-0911.