Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D7R II W A-KIT C-KIT A found under Tractor Deployable Combat Earthm by Caterpillar Inc. The National Stock Number assigned to this part is 2430016671257, and the Federal Supply Class is 2430 Tractors Full Tracked High Speed. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D7R II W A-KIT C-KIT A.