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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 IX. Qualification table.

Requirement

Test method

Inspection

paragraph

Group I (all sample units)

Visual and mechanical examination

3.1, 3.5, 3.6

4.7.1

3.45 and 3.47

Solderability (when applicable) 1/

3.7

4.7.2

Resistance to soldering heat (when applicable) 1/

Contact resistance

Contact bounce (when specified, see 3.1)

3.10

4.7.5

Operating characteristics

3.11

4.7.6

Coincidence of operating and releasing points

(when specified)

3.12

4.7.7

Permanency of marking (when specified) 1/

3.13

4.7.8

Group II (4 sample units)

Terminal strength (2 sample units)

3.14

4.7.9

Strength of actuating means (2 sample units)

3.15

4.7.10

Strength of actuator (when applicable)

3.16

4.7.11

Strength of mounting bushing (2 sample units)

(when applicable)

3.17

4.7.12

Lens orientation (when applicable)

Thermal shock

Vibration

Shock 2/

Acceleration (when specified, see 3.1)

Moisture resistance

Dielectric withstanding voltage

3.24

4.7.19

Operating characteristics

3.11

4.7.6

Seal (enclosures 2, 3, and 4)

Marking visibility

Group III (2 sample units)

Salt spray (corrosion)

3.27

4.7.22

Dielectric withstanding voltage (enclosure 3)

3.24

4.7.19

Insulation resistance (enclosure 3)

3.28

4.7.23

Operating characteristics (enclosure 3)

3.11

4.7.6

Group IV (2 sample units)

Short circuit

3.29

4.7.24

Dielectric withstanding voltage

3.24

4.7.19

Operating characteristics

3.11

4.7.6

Seal (enclosures 2, 3, and 4)

Marking visibility

Group V (2 sample units)

Explosion

3.30

4.7.25

Sand and dust (when specified, see 3.1)

3.31

4.7.26

Operating characteristics

3.11

4.7.6

Seal (enclosures 2, 3, and 4)

3.25

4.7.20

See footnotes at end of table