"MATERIAL IS STEEL,ALLOY;ASTM-A322,HOT ROLLED OR ASTM-A331,COLD FINISHED,4340 OR 43L40;OR STEEL,ALLOY;AMS 6359,(4340 OR 43L40),HOT ROLLED OR COLD FINISHED;FINISH IS ELECTROLESS NICKEL COATIND PER MIL-STD-171,0.0003 TO 0.0005THICK;SHOT PEENING PRIOR TO COATING ISNOT REQUIRED;HEAT TREAT TO NORMALIZE AND RE-AUSTENITIZE,QUENCH AND TEMPER 1AW MIL-H-6875 TO 33-38 RC;PART SHALL BEMAGNETIC PARTICLE INSPECTED PER MIL-I-6868,NO CRACKS,SEAMS OR LAPS PERMITTED;WIDTH OF HOUSING IS 8.035 IN. MIN. AND 8.065 IN. MAX"