Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y00020636 found under Nut Self Locking He by Soframe. The National Stock Number assigned to this part is 5310015385228, 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 Y00020636.