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|  MIL-T-60826B(MU)
DRAWINGS
U.S. Army, Frankford Arsenal
F8565556
Pressure Tester, Two Station
Telescope: M127A1
F10556368
PACKAGING DATA SHEET
Packaging of Telescope: M127A1
PS10556368
(Copies of specifications, standards, drawings, and packaging data sheets
required by suppliers in connection with specific procurement functions
should be obtained from the procuring activity or as directed by the
contracting officer.)
3. REQUIREMENTS
3.1 Fabricaiton. - The telescope shall be manufactured in accordance
with Drawing F10556368 and drawings pertaining thereto.
3.2 General specification. - The contractor shall be responsible
for adherence to, and compliance with, the following requirements of
MIL-F-13926:
a.
Order of precedence
b.
Dimensions and tolerances
c.
Inorganic protective surface finishes
d.
Part identification and marking
e.
Workmanship
f.
Soldering electrical connection
3.3 Environmental.
3.3.1 Storage temperature. - The telescope shall show no evidence
of physical failure such as cement separation, glass breakage, or cast-
ing failure after having been exposed and thermally stabilized at temper-
atures of -80 and +160 Fahrenheit (F).
3.3.2 Extreme operating temperature. - The telescope shall meet the
applicable requirements of 3.7 while exposed and thermally stabilized at
-65 and +150F.
3.3.3 Vibration. - The telescope shall show no evidence of physical
failure due vibrated successively along three (3) mutually per-
pedicular axes. Vibration shall be a simple harmonic motion, the fre-
quency varying either linearly or logarithmically from 5 to 55 CPS in
five minute cycles for a total of 15 minutes along each of the axes, The
amplitude of vibration shall be maintained constant at 1/64 inch (1/32
Inch total excursion). Following the vibration test the telescope shall
meet all subsequent requirements.
3.4 Cleanliness.
2
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