(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
3.1 Qualification. - Periscopes furnished under this specification shall
be products which have been tested, and passed the qualification tests.
listed herein, and have been listed on or approved for listing the appli-
cable qualified products list.
3.2 Fabrication. - The periscope shall be manufactured in accordance
with the drawing applicable to the type periscope specified in the contract
and all drawings pertaining thereto.
3.3 General specification. - The contractor shall be responsible for
adherence to, and compliance with, the following requirement. of Specifi-
cations MIL-F-13926 and MIL-O-13830.
(a) Order of precedence.
(b) Inorganic protective surface finishes.
(c) Dimensions and tolerances.
(d) Part identification and marking.
3.4.1 Weathering and shelf life (Qualification only). After meeting
all other requirements of this specification, the periscope shall be
capable of meeting the requirements of 18.104.22.168, 22.214.171.124 and 126.96.36.199, and
shall be otherwise functional subsequent to unprotected outdoor exposure at
a north latitude of 40° + 5° for a period of 9 months, including initial
testing, and shall be equally functional and capable of meeting these
requirements subsequent to indoor storage at 60°F to 90°F for the same period.
188.8.131.52 Resolution. - Follpwing weathering and shelf life exposure
(see 4.11.2) the periscope shall meet the requirement of 3.5.1 except that
resolution shall be within 75 seconds of arc.