MS21361A (NOTICE-1), MILITARY STANDARD: KNOB CONTROL, ALUMINUM ALLOY (ROUND, CONCENTRIC, POINTER, SPINNER, BAR, LOCKING SHAFT HOLE, FIN, AND KNOB LOCKS) (20-JUL-1979) [NO S/S DOCUMENT]

MS21361A (NOTICE-1), MILITARY STANDARD: KNOB CONTROL, ALUMINUM ALLOY (ROUND, CONCENTRIC, POINTER, SPINNER, BAR, LOCKING SHAFT HOLE, FIN, AND KNOB LOCKS) (20-JUL-1979) [NO S/S DOCUMENT].