MIL-PRF-22710H
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. The switches covered by this specification are intended for use in low power ac and dc switching
applications for use in electronic and communication equipment. These switches are military unique due to the fact
that these devices must be able to operate satisfactorily in military systems under the following demanding
conditions: -65°C to +125°C operating temperature range, 15 Gs of vibration, 100Gs of shock, 96 hours of salt
spray, 20Gs of acceleration, 100,000 cycles of endurance at the maximum temperature. In addition these military
requirements are verified under a qualification system. Commercial components are not designed to withstand these
military environmental conditions.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number, and date of the specification.
b. Packaging requirements (see 5.1).
6.2.1 Switches covered by specification sheets and identified by military part numbers. Acquisition documents
must specify the following:
a. Title, number, and date of this specification.
b. Title, number, and date of the applicable specification sheet and the complete PIN (see 1.2.1 and 3.1).
c. If lamps are to be omitted (see 3.4.7.3).
6.2.2 Switch types covered by specification sheets and identified by type designation. Acquisition documents must
specify the following:
a. Title, number, and date of this specification.
b. Title, number, and date of the applicable specification sheet, and the complete type designation (see 1.2.2
and 3.1).
c. Interface and dimension requirements, as applicable (see 3.4).
d. Circuit configuration (see 3.6).
e. Luminance; photometric brightness (see 3.7), if other than as specified, deviation should be approved by
procuring activity.
f. If lamps are to be omitted (see 3.4.7.3).
g. Positive detent or indexing mechanism (see 3.4.4).
6.2.2.1 For thumbwheel switches. In addition to items required in 6.2.2, the following must be specified:
a. Total number of switch stations (see 3.4).
b. Whether spacers are required between switch stations.
c. Station location and designation of specific switch circuits and spacers (if required) in switch assembly.
d. Indicator ring color (see 3.4.7.1).
e. Indicator ring marking (see 3.28.1)
f. Letter, numeral, or character color.
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