MICRO SWITCH™ Miniature Hermetically Sealed Basic Switches: HM Series, Single Pole Double Throw (SPDT), 4 A at 28 Vdc, Silver Contacts, Stainless Steel Enclosure, (3) 1524 mm [60 in] Lead Wire Termination (22 Gage), Terminal Guard Around Leads, -65 °C to 125 °C [-85 °F to 257 °F] Temperature Range, Military Part Number MS27216-4