MIL-PRF-22885/81C
TABLE III. Electrical ratings (silver contacts). 1/
Sea level
50,000 feet
Load
28 V dc
115 V ac, 60 Hz
28 V dc
Amperes
Amperes
Amperes
Resistive
5
5
5
Inductive
3
5
2.5
Lamp
2.4
1.5
2.4
1/ Silver contacts; Contacts I which the mating surfaces are
silver or silver alloy throughout the rated life of the switch.
Quality Assurance
Qualification: Table IV applies for group submission.
Group B inspection: Not applicable.
TABLE IV. Qualification inspection.
Qualification inspection
Extent of
Test switch
Other inspections
(MIL-PRF-22885)
approval
Group I (All samples)
Visual and mechanical examination 1/
Contact resistance
Operating characteristics
Group II (4 samples)
Strength of actuating means 2/
Strength of mounting bushing 2/
Lamp retention
Thermal shock
Vibration
Shock
M22885/81-01x, -02x, -03x
Moisture resistance
(1 sample each)
All
Dielectric withstanding voltage
M22885/81-04x
Part
Visual and mechanical examination[
Operating characteristics
numbers
Seal
Operating characteristics
Marking visibility
Group III (2 samples)
Salt spray
Group VII (2 samples)
Low-level life
Operating characteristics
Seal
Group VIII (2 samples each color)
Illuminated colors
Luminace
Field of view
1/ Only one sample shall be measured for physical dimensions.
2/ Two sample units only
5
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