REDRAWN PRO-E SURFACE HARDNESS WAS MIN OF 50 SPEC WAS: MID PHOSPHOROUS NICKEL PLATE PER MIL-C-26074E SPEC WAS: HIGH PHOSPHORUS ELECTROLESS NICKEL PLATE TO .0005" MIN THICKNESS PER MIL-C-26074E CLASS I GRADE B MILL SPEC WAS MIL-C-26074C REMOVED PRIMARY