MIL-PRF-8805/80G
Movement differential:
M8805/80-01 and M8805/80-03 through M8805/8008: .020 (0.51 mm) maximum.
M8805/80-02: .045 (1.14 mm) maximum.
Overtravel:
M8805/80-01 through M8805/8004: .250 (6.35 mm) minimum.
M8805/80-05 through M8805/8008: .125 (3.18 mm) minimum.
Coincidence of operating and releasing points: .010 (0.25 mm) maximum.
Finish: Switch housing shall be processed to resist corrosion.
Plastic: M8805/80-02 may use general purpose mineral and flock filled phenolic internally.
Strength of actuating means: 250 pounds.
Strength of mounting bushing:
M8805/80-01 through M8805/80-04: 400 pound-inches.
M8805/80-05 through M8805/80-08: 200 pound-inches.
Contact resistance: Not applicable.
Dielectric withstanding voltage:
Sea level: 1,000 V rms. In qualification inspection table after electrical endurance, the dielectric
withstanding voltage points of application between all unconnected terminals of the same pole is not
applicable.
Fluid resistance: Except for the cut of the lead wire, switches shall be submerged in each of the
following fluids for 2 to 2.5 minutes, which shall consist of one cycle (one cycle is 10 to 12.5 minutes
total). Each switch shall be subjected to three cycles.
a. Turbine fuel (MIL-DTL-5624).
b. Hydraulic fluid (SAE AS1241).
c. Coolanol 1/ (MIL-PRF-87252).
d. Ethylene glycol (ASTM-E1119).
e. Lubricating oil (MIL-PRF-7808)
After each immersion, the excess fluid shall be blown off the external surfaces of the switch with an air
jet. Following the third cycle, the switch shall be subjected to and shall meet the requirements for
dielectric withstanding voltage, insulation resistance, operating characteristics, seal, and marking.
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1/ Monsanto Company registered trademark.
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