MIL-DTL-83731/11D
REQUIREMENTS:
Design and construction: See figures 1 and 2.
Material and finish. Bushings shall be brass, nickel plated. Toggle lever shall be brass, nickel
plated with an anodized aluminum cap. Frame shall be stainless steel. The contacts shall be gold
plate over nickel over silver over brass.
Mounting hardware: Each switch shall be supplied with two hexagon nuts, one internal-tooth
lockwasher in accordance with the appendix of MIL-DTL-83731, one locking ring (see figure 3). The
locking ring shall be brass with bright nickel finish.
Weight: 0.017 pound maximum.
Electrical ratings: See table I.
Strength of terminals: Method 211 of MIL-STD-202,test condition A. The applied force shall be one
pound.
Strength of toggle lever, pivot, and lever stop: Test (a) shall use a ten pound load; test (b) shall be a 8
pound load.
Dielectric withstanding voltage: Test at atmospheric pressure only.
Mechanical endurance: 10,000 cycles at -25°C +0°C, -4°C, and 10,000 cycles at 71° +4°, -0°C.
TABLE I. Electrical ratings.
High level (current in amperes)
Logic level
Type of load
28 V dc
125 V ac, 60 Hz
115 V ac, 400 Hz
5 V dc
0.010 ampere
5
5
5
Resistive
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2
2
2
Inductive
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1
1
1
Lamp
Resistive load (dc and ac): Switches shall make and break the rated resistive load for 10,000
operating cycles at room ambient pressure and a temperature of 71°C +4°C -0°C.
Inductive load (dc and ac): Switches shall make and break the rated inductive load for 10,000
operating cycles at room ambient temperature and pressure.
Lamp load: Switches shall make and break the rated lamp load for 10,000 operating cycles.
4