Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S10 10 3318 found under Nut Plain Round by Sikorsky Aircraft Corporation. The National Stock Number assigned to this part is 5310006371085, 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 S10 10 3318.