Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PD42489MK-AL E2IQ(PT-116 found under Indicator Dial by Mcdermott Inc. The National Stock Number assigned to this part is 5210014631906, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PD42489MK-AL E2IQ(PT-116.