MICRO SWITCH™ Miniature Hermetically Sealed Basic Switches: HM Series, Single Pole Double Throw (SPDT), 3 A at 28 Vdc, Stainless Steel Enclosure, Thru-Hole Solder Termination, -184 °C to 121 °C [-300 °F to 250 °F], For UL 508 Applications -65 °C to 125 °C [-85 °F to 257 °F] Temperature Range, Military Part Number MS27216-5