MIL-DTL-24317B
4.8.8 Shock (see 3.11). Switches shall be tested in accordance with 4.8.8.1, and when specified (see
4.8.8.1 Method I (specified pulse)). Switches shall be tested in accordance with method 213 of MIL-
STD-202. The following details and exception shall apply:
(a) Mounting method and accessories Switches shall be secured to a sufficient mass in each of its
three principal axes, in turn.
(b) Test-condition letter I.
(c) Measurement before test Not applicable.
(d) Measurement during test Switch contact stability shall be continuously monitored during shock
in accordance with method 310 of MIL-STD-202.
(e) Measurement after test When applicable, the lamp circuits of the switch housing shall be
energized.
(f) Examinations after test Switches shall be examined for any change in operation, mechanical
damage, broken, loose, deformed and displaced parts, and impairment of normal operation.
4.8.8.2 Method II (high-impact shock) (when specified, see 3.1). Switches shall be tested in
accordance with method 207 of MIL-STD-202. The following details and exception shall apply:
(a) Mounting fixture Same as 4.8.8.1(a).
(b) Monitoring during test Switch contact stability shall be monitored for each blow in accordance
(c) Measurements after test Same as 4.8.8.1(e).
(d) Examination after test Same as 4.8.8.1(f).
4.8.9 Terminal strength (see 3.12). Switches shall be tested in accordance with one of the following
methods, as applicable. Only 5 terminals need to be tested.
4.8.9.1 Solder terminals. Switches with solder terminals shall be tested in accordance with method
211 of MIL-STD-202. The following details and exceptions shall apply:
(a) Test-condition letter A.
(b) Applied force 4-1/2 pounds.
(c) Direction of applied force Parallel to the long axis of the terminal, perpendicular to the long axis
of the terminal, perpendicular to the long axis of the terminal, and in any direction most likely to
cause failure. No one terminal shall be tested in more than one direction.
(d) Duration of applied force One minute.
After the test, the switches shall be examined for breakage, loosening and rotation of terminals, and
any damage to the switch.
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