Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 150-2981 found under Motor Pneumatic by Caterpillar Inc. The National Stock Number assigned to this part is 2895016133694, and the Federal Supply Class is 2895 Miscellaneous Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 150-2981.