MS21385E (NOTICE 1), MILITARY STANDARD: KNOB, TACTILE SERIES, ILLUMINATED AND NON-ILLUMINATED (30 APR 1999) [SUPERSEDED BY NASM21385]
MS21385E (NOTICE 1), MILITARY STANDARD: KNOB, TACTILE SERIES, ILLUMINATED AND NON-ILLUMINATED (30 APR 1999) [SUPERSEDED BY NASM21385].