Switch, rotary enclosed, 10 amp, 125 VAC, double pole, single throw (DPST), submersible to 15 feet, non-magnetic. surface mounting. Consists of a Type 1SR2A4 rotary switch per MIL-S-15291/3 mounted in a 3" round brass enclosure per MIL-E-24142/5 that is actuated by a sealed shaft penetrating the cover. The assembly mounts with (3) 3/8" bolts, 120 degrees apart on a 4-1/2" bolt circle. Switch action is ON-OFF-ON-OFF. Symbol 801.2 per MIL-DTL-15743/3, part number M15743/3-001. NSN 5930-00-617-2314 and 5930-01-263-5024. Similar to Symbol 801.1 which is recess-mounted.