8530K2 is an environmentally sealed rugged toggle switch from Eaton Aerospace. 8530K2 is a mil style (not mil spec) toggle switch at a commercial switch price! S.P.S.T. Circuit Arrangement Momentary ON-OFF-Momentary ON, Screw Terminals, Watertight Sealed per MIL-STD-108E, 8530K2 is very similar to Eaton 8510K2, UL recognized & CSA certified. 8530K2 is sealed to IP68 and is specially priced for this lot only!