GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,ALLOY,MIL-S-18729 (4130) COND A,MA,OR N,OR STEEL,ALLOY,AMS 6395 (4140) HOT ROLLED OR COLD FINISHED,OR STEEL,ALLOY,AMS 6359 (4140) HOT ROLLED OR COLD FINISHED; HEAT TREAT PER MIL-H-6875; TEMPER TO 33-38 ROCKWELL C HARDNESS; PHOSPHATE FINISH; MAGNETIC PARTICLE INSPECTED,NO CRACKS,SEAMS OR LAPS PERMITTED |