Springs :
Special copper alloy. Integral contacts are standard in the isolated switching circuits; fine silver contacts in C12A switching circuit
Thermal Range :
Commercial Jacks; -55°C to +85°C (non-operating); -20°C to +65°C (operating). Military Jacks; -55°C to +85°C (non-operating); -40°C to +65°C (operating)
Thermal Shock :
Commercial Jacks - Per MIL-STD 202, method 107. Military Jacks - Per MIL-STD 202, method 107
Salt Spray :
Commercial Jacks - Per MIL-STD 202, method 101. Military Jacks - Per MIL-STD 202, method 101 (48 hours)
Mechanical Shock :
Military Jacks - Per MIL-STD 202, method 213, Test Condition H (75g)
Moisture Resistance :
Military Jacks - Per MIL-STD 202, method 106 (240 hours)