Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4A22 found under Panel Instrument by Caterpillar Inc. The National Stock Number assigned to this part is 2410007399829, and the Federal Supply Class is 2410 Tractor Full Tracked Low Speed. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4A22.