Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CAT19.019 IT186 found under Bumper by Carrier Corporation. The National Stock Number assigned to this part is 5340014234269, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CAT19.019 IT186.