Rationale: Figure 1 line weights too heavy (re-draw), revise MIL-S-7742 to ANSI B1.1, revise lead thread chamfers to AS1132J, Revise CSK note to symbol per Y14.5M. Replace "DRILL NO.41" with hole dimension. Update note 4 MPI reference. N Table 1, update dimensions to incorporate tols. Add new note for disposition of existing inventory.