SCREWS COVERED BY THE DASH NUMBERS GIVEN IN MS51034 AND MS51036 ARE CANCELLED AFTER
29 JANUARY 1964 AND SUPERSEDED BY THE SCREWS COVERED ON MS51973 HAVING THE SAME DASH
NUMBERS. CANCELLED SCREWS MAY BE USED UNTIL EXISTING STOCKS ARE DEPLETED. USE ONLY
MS51973 SCREWS FOR NEW DESIGN.