MIL-S-15291E (SUPPLEMENT-1), MILITARY SPECIFICATION: SWITCHES, ROTARY, SNAP ACTION AND DETENT/SPRING RETURN ACTION, GENERAL SPECIFICATION FOR (22-JUL-1991) [S/S BY MIL-DTL-15291F]

MIL-S-15291E (SUPPLEMENT-1), MILITARY SPECIFICATION: SWITCHES, ROTARY, SNAP ACTION AND DETENT/SPRING RETURN ACTION, GENERAL SPECIFICATION FOR (22-JUL-1991) [S/S BY MIL-DTL-15291F].