Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1382A found under Nut Plain Castellated Hexagon by Hercules Engine Co Inc. The National Stock Number assigned to this part is 5310000103048, 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 1382A.