Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB310M4 found under Strap Tiedown Electrical Compone by Hellermanntyton Corporation. The National Stock Number assigned to this part is 5975016532998, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MB310M4.