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|  MIL-P-48619(AR)
diopters shall be within the limits of 1.5 and 6.0 lb-ins when
checked at standard ambient temperature. When checked at the
temperature conditions specified in 3.4.2, the running torque shall
not exceed 15 lb-ins.
3.5.3 Focusing mechanism - Passive. -The running torque required
to rotate Ring 11733436 through the range specified in 3.8.7 shall
be within the-limits of 4.0 and 14.0 lb ins-when checked at standard
ambient- temperature. When checked at the temperature conditions
specified in 3.4.2, the running torque shall not exceed 24.0 lb-ins.
3.5.4 Disengagement of boresight knob locks - Daylight and
Passive. -The direct force required to disengage each boresight knob
from lock position shall be within the limits of 2.0 and 5.0
pounds (lbs) when checked at standard ambient temperature. When
checked at the temperature conditions specified in 3.4.2, the direct
force shall not exceed 9.0 lbs.
3.5.5 Rotation of boresight knobs - Daylight and Passive. -The
running torque required to rotate each boresight knob through the
travel range specified in 3.8.3.1.1 and 3.8.3.1.2 respectively,
shall be within the limits of 0.5 and 5.0 lb-ins when checked at
standard ambient temperature. When checked at the temperature
conditions specified in 3.4.2, the running torque shall not exceed
8.0 lb-ins.
3.5.6 Shutter lever and on-off switch - Passive. -The torque
required to rotate the shutter from the off to on position shall be
within the limits of 4.5 to 6.5 lb-ins when checked at standard
ambient temperature. When checked at the temperature conditions
specified in 3.4.2, the torque shall not exceed 10 lb-ins.
3.5.7 Gain adjust and reticle brightness control - Passive. -
This requirement shall be met at standard ambient temperature and
the temperature conditions specified in 3.4.2. Knob MS91528-OEIB
shall be manually operable through the full limits of the rheostat.
3.5.8 Focusing lock - Daylight. -This requirement shall be met
with a 10 lb-ins torque applied to the locking screw on Housing
11727432. When checked at standard ambient temperature and the
temperature conditions specified in 3.4.2, there shall be no
rotation of Eccentric 8205635 when a 48 ounce-inches (oz-ins) torque
is applied to the eccentric.
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