Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40402-152-1 found under Nut by Ross Milton Co. The National Stock Number assigned to this part is 5310003769122, 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 40402-152-1.