MS21360A (NOTICE), MILITARY STANDARD: KNOB-CONTROL, ALUMINUM ALLOY (ROUND, CONCENTRIC, POINTER, SPINNER, BAR, SLOTTED, ROUND SHAFT HOLE, AND KNOB LOCKS) (20 JUL 1979) [NO SUPERSEDING DOCUMENT]
MS21360A (NOTICE), MILITARY STANDARD: KNOB-CONTROL, ALUMINUM ALLOY (ROUND, CONCENTRIC, POINTER, SPINNER, BAR, SLOTTED, ROUND SHAFT HOLE, AND KNOB LOCKS) (20 JUL 1979) [NO SUPERSEDING DOCUMENT].