PACKAGING DATA SHEETS
Packaging of Telescope, Elbow 11737695
(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 con-
3.1 Fabrication. - The telescope shall be manufactured in accordance
with the applicable drawing listed in 2.1.
3.2 General specification. - The contractor shall be responsible for
compliance with the following requirements of MIL-F-13926.
Order of precedence
Dimensions and tolerances
Inorganic protective surface finishes
Part identification and marking
3.3 Temperature conditions. - The requirements of this specification
shall be met with the telescope thermally stabilized at an ambient temp-
erature of between 60 and 90° Fahrenheit (F) unless otherwise specified
in the requirement paragraphs.
3.4 Workmanship. - The workmanship requirements of MIL-F-13926 shall
be met. The exterior protective surface finishes shall be free of any
defects which effect their protective qualities or appearances. Optical
surfaces shall be clean and free of any scratches or blemishes which may
effect their optical qualities and shall meet the requirements of 3.5.4.
3.5 Environmental. - Any telescope subjected to any or all of the
requirements of 3.5.1 to 18.104.22.168 inclusive shall subsequently meet the
requirements of 3.5.4 to 3.6.7 inclusive, unless otherwise specified.
3.5.1 Storage temperature. - The telescope shall show no evidence
of physical failure such as cement separation, glass breakage or casting
failure after having been exposed and thermally stabilized at ambient
temperatures of -80° and +l6O°F (see 22.214.171.124).
3.5.2 Vibration. - The telescope shall be positioned with the line
of sight through the eyepiece and objective tube in a horizontal plane
and the telescope supported at the 0.8435 inch diameter of the objective
tube. The telescope shall be vibrated at a constant frequency of 30
cycles per second with an amplitude of 1/16 inch (1/8 inch total excur-
sion) for a period of 5 minutes ± 15 seconds.