Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS7030-M006 found under Nut Plain Castellated Hexagon by Mcdonnell Douglas Helicopter. The National Stock Number assigned to this part is 5310011894584, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HS7030-M006.