Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC7020D-R found under Contact Electrical by Positronic Industries Inc. The National Stock Number assigned to this part is 5999004342099, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MC7020D-R.