Downloaded from https://www.everyspec.com MIL-STD-81OC TEMPERATURE IN -65 -40 68 104 140 176 CATEGORY 5 50 0 0 0 d 30 !,.: z ,/. U.1 ,;: o 3 1- ~ 20 u -4 -5 -40 : 20 40 jl 80 TEMPERATURE IN :1OTES: 1. Curve A Design and Test Requirements for.oontinuoua operation. 2. Curve B - Design and Test Requirement for intermittent operation. :. Operating requirements for Category 1 equipment are for continuou8 operation uith temperature eztrem.r8 o? O°C and 55° C. FIGURE 504.1-1 Temperature Versus Altitude Operational Requirements for Categories 1 through 5 Equipment. METHOD 504.1 504.1-10