MIL-PRF-8805/65E
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Enclosure design: Four (resilient). All entrances to the switch cavity except through the actuator bushing shall be
sealed by fusion of glass-to-metal, metal-to-metal, or ceramic-to-metal.
Temperature characteristic: 1 (-55°C to +85°C).
Shock type: H (High-impact). There shall be no opening of closed contacts in excess of 8 milliseconds.
Vibration grade: 2 (10 Hz to 2,000 Hz).
Weight: 0.60 pound maximum.
Operating characteristics:
Actuating force: 6 to 12 pounds.
Pretravel: 0.040 inch maximum.
Movement differential: 0.020 inch maximum.
Overtravel: 0.250 inch minimum.
Finish: Switch housing shall be processed to resist corrosion.
Contact resistance: 0.5 ohms maximum measured with a 5 ampere test current and a 28 V dc test voltage.
Dielectric withstanding voltage: Sea level (1,000 V rms).
Seal test: Only watertight test shall be performed in group A.
Mechanical endurance: 25,000 cycles.
Electrical endurance: 25,000 cycles.
Electrical ratings: See table I.
Marking: The circuit schematic shall be permanently and legibly marked on the switch case.
Part or Identifying Number (PIN): M8805/65-001.
TABLE I. Electrical ratings.
Sea level
Load
28 V dc
amperes
Resistive
5
Inductive
3
Motor
4
3
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