Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N1-082-601-B ITEM 13 found under Nut Plain Hexagon by Rexnord Industries Inc. The National Stock Number assigned to this part is 5310012102850, 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 N1-082-601-B ITEM 13.