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MIL-PRF-22885 Switches, Push Button, Illuminated, General Specification ForThis specification covers the general requirements for manually operated illuminated push button switches, switch assemblies \(see 6.4.1\), and associated modular subassemblies. As used in this specification, the term "switches" should include the associated modular subassemblies, including switches, indicator lights, actuators, lenses, color filters, panel seals, barriers, and so forth.

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MIL-PRF-22885H
TABLE X. Group A inspection.
Requirement
Method
Sampling
Inspection
paragraph
paragraph
plan
Subgroup 1
Visual and mechanical examination
3.45 and 3.47
Subgroup 2
Seal (enclosures 2, 3, and 4)
Operating characteristics
Dielectric withstanding voltage
Contact resistance
3.39
Illuminated colors
Luminance
2/ 3/
2/ 3/
Sunlight readability (when applicable)
Subgroup 3
Contact bounce (when applicable)
Subgroup 4
5/
5/
NVIS compatibility (when applicable)
1/
At the option of the contractor, documented in-process inspection may be used to meet
the materials (see 3.5) and design and construction requirements (see 3.6) provided all of
the contractor's in-process control data on these tests are made available to the
Government upon request. Only one sample unit per lot need be inspected for
compliance to physical dimensions.
2/
At the option of the contractor, incoming or in-process inspection may be used to meet
these requirements provided that they meet the acceptance criteria and all of the
contractor's in-process control data on these tests are made available to the Government
upon request.
3/
Visually inspect switches with sunlight readable displays in each lot against the
appropriately colored standard switch. The switches used as visual standards shall be
certified annually by performing the sunlight readability test.
4/
Two sample units per lot shall be tested for contact bounce (when applicable).
5/
One hundred percent test switches for light leak using NVIS viewing device in accordance
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