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|  MIL-T-50782(MU)
(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 Fabrication. - The telescope shall be manufactured In accordance
with Drawing F11739510 and drawings pertaining thereto.
3.2 General specification. - The contractor shall be responsible
for adherence to and compliance with the requirements of Specification
MIL-F-13926 specified below. Should any conflict exist between the
general specification and this specification, this specification shall
take precedence.
(a)
Order of precedence.
(b)
Dimensions and tolerances.
(c)
Inorganic protective surface finishes.
(d)
Electrical and electronic assemblies.
(e)
Part identification and marking.
(f)
Workmanship.
3.3 Environmental.
3.3.1 Storage temperature. - The telescope shall show no evidence
of physical failure and shall meet all requirements of this specification
at standard ambient temperature ( 73 degrees 18 degrees Fahren-
heit) after having been exposed and thermally stabilized at ambient
temperatures of plus 160 degrees and minus 80 degrees Fahrenheit.
3.3.2 Operating temperature. - The telescope shall meet the
applicable requirements of 3.8.2.6 to 3.9.2.3 inclusive while exposed
and thermally stabilized at ambient temperatures of plus 150 degrees
and minus 40 degrees Fahrenheit. Upon return to standard ambient
temperature, the telescope shall meet the requirements of 3.3.3.
3.3.3 Vibration. - The telescope shall be vibrated in a vertical
plane at a frequency of thirty cycles per second with an
amplitude of 1/16 inch (1/8 inch total excursion) for a period of five
minutes plus or minus fifteen seconds. Subsequent to vibration there
shall be no evidence of physical failure and the telescope shall meet
the requirements of 3.4 to 3.12 inclusive. (see 3.7.1.1)
2
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