Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 472-MEDCHEST3-8D-137 found under Case Medical Instru by Hardigg Industries Inc. The National Stock Number assigned to this part is 6545015702004, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 472-MEDCHEST3-8D-137.