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Correction counter, excursion ranqe
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Telescope, Panoramic: M137 and M137A1
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Responsibility  for  compliance



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MIL-T-48554A(AR)
3.12 Counter numerals.  3.12 Counter numerals. With the units digit of each counter
in coincidence with its respective index line, the remaining
numbers shall be in horizontal alignment within one-sixteenth of
an inch.
3.13 Illumination.
3.13.1 Reticle.  The reticle markings shall be clearly
distinguishable when observed in ambient light conditions, ranging
from dusk into night.
3.13.2 Counters. The numerals on the azimuth, deflection or
bearing and correction counters, shall be distinguishable when
observed under any ambient light conditions, ranging from dusk
into darkness.
3.13.3 External  tritium  contamination.  Any part of tritium
shall not be present on the external surfaces of the Panoramic
Telescope in excess of 1000 dpm/100 sq.cm. subsequent to
requirements 3.6.1 through 3.6.5, as required by final acceptance
inspection, 4.3.2.2 and special sampling, 4.4, as applicable.
3.14 Interchangeability.  Telescope  interchangeability  shall
be verifiec by the insertion, seating and subsequent removal of
the maximum fit gage into the keyways of the telescope mounting
surface without binding.
3.15 Reliability.  The Panoramic Telescope shall be
subjected to reliability assurance tests as follows:
a. The telescope meet the storage and operating
requirements of 3.6.1 and 3.6.2.
b. The telescope shall be shocked and conform to the
requirements of paragraph 3.6.3.
The telescope shall withstand the Vibration "A"
requirements as noted in paragraph 3.6.4.
3.16 Workmanship. The workmanship of MIL-O-13830 and and
MIL-F-13926 shall apply.
4.
QUALITY
ASSURANCE
PROVISIONS
4.1  Responsibility  for  inspection.  Unless  otherwise
specified in the contract or purchase order, the supplier is
responsible for the performance of all inspection requirements as
specified herein. Except as otherwise specified, the supplier may
utilize his own facilities or any other facilities suitable for
the performance of the inspection requirements specified herein,
unless disapproved by the Government. The Government reserves the
right to perform any of the inspections set forth in the
9

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