Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4270M5501 31A 720 found under Cover And Guard Ele by 3M Company. The National Stock Number assigned to this part is 5935013040457, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4270M5501 31A 720.