Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52LHA71-4-02 found under Nut Self Locking Plate by Amerace Corp. The National Stock Number assigned to this part is 5310000204144, 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 52LHA71-4-02.