MIL-DTL-24317B
held captive within the removable portion of the lens assembly. The captive means shall be capable of
retaining the appropriate lamp retention adapter.
3.14 Torque strength of plunger. When switches are tested as specified in 4.8.11, the plunger shall
withstand the applied torque without damage.
3.15 Strength of actuator and actuator stop. When switches are tested as specified in 4.8.12, there
shall be no malfunction or damage upon application of the static load.
3.16 Dielectric withstanding voltage. When switches are tested as specified in 4.8.13, there shall be no
arcing, flashover, breakdown, or current flow in excess of 1 milliampere (ma).
3.17 Salt spray (corrosion). When switches are tested as specified in 4.8.14, there shall be no
evidence of excessive corrosion, nor shall there be warping, cracking, or other damage, and when
applicable the lenses shall show no color fading. NOTE: Excessive corrosion is defined as that which
interferes with the electrical or mechanical performance, or in the case of plated metals, corrosion which
has passed through the plating and attacked the base metal.
3.18 Insulation resistance. Unless otherwise specified (see 3.1), when switches are tested as specified
in 4.8.15, the insulation resistance shall be not less than 1,000 megohms.
3.19 Moisture resistance. Unless otherwise specified (see 3.1), when surfaces are tested as specified
in 4.8.16, the insulation resistance, immediately after conclusion of the test and while the switches are still
in the humidity chamber, shall be not less than 10 megohms. At the end of the drying period, the
insulation resistance shall be not less than 100 megohms. At the conclusion of the test there shall be no
evidence of breaking, cracking, spalling, or loosening of terminals. There shall be no evidence of pitting
of plated metal surfaces, and when applicable, the lenses shall show no color fading.
3.20 Mechanical endurance. When switches are tested as specified in 4.8.17, there shall be no
evidence of mechanical damage or malfunction.
3.21 Sand and dust (when applicable, see 3.1). When switches are tested as specified in 4.8.18, there
shall be no evidence of degradation of switching functions, and they shall be mechanically and electrically
operative.
3.22 Seal (when applicable, see 3.1).
3.22.1 Watertight. When switches are tested as specified in 4.8.19.1, there shall be no leakage past
the panel seals as determined by visual examination.
3.22.2 Dripproof. When switches are tested as specified in 4.8.19.2, there shall be no leakage of water
into the test enclosure as determined by visual examination.
3.23 Overload. When switches are tested as specified in 4.8.20, there shall be no mechanical or
electrical failure.
3.24 Electrical endurance. When switches are tested as specified in 4.8.21, there shall be no electrical
or mechanical failure. The lenses shall show no surface deterioration.
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