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MIL-M-46309B(MU)
4.5.2 Contractor furnished inspection equipment.
4.5.2.1 Government design.- Unless otherwise specified i the contract,
all inspection equipment specified by drawing number in specification or
SQAP forming a part of the contract shall be supplied by the contractor
in accordance with technical data listed in the List of Inspection Docu-
ments (IEL), when provided with the Technical Data Package (TDP).
4.5.2.2 contractor design.- The contractor shall provide inspection
equipment compatible with the "Test Methods and Procedures" specified in
4.6 and with the "component Inspection" and "Test Facilities" requirements
of MIL-F-13926. Since tolerance of test equipment is normally considered
to be within 10% of the product tolerance for which it iS intended, this
inherent error in the test equipment design must be considered as part of
the prescribed product tolerance limit. Thus, concept, construction,
materials, dimensions and tolerances used in the design of test equipment
shall be so selected and controlled as to insure that the test equipment
will reliably indicate acceptability of a product which does not exceed
90% of the prescribed tolerance limit, and permit positive rejection when
non-conforming. Construction shall be such as to facilitate routine
calibration of test equipment,
4.6 Test methods and procedures.
4.6.1 Operating temperatures.- The mounts shall be subjected to the
temperatures specified in 3.3.1 utilizing the test facilities referenced
in 4.5.2.2. The temperature shall be changed gradually to avoid thermal
shock. When the mount has been thermally stabilized at each extreme
temperature it shall meet the requirements of 3.4.3 and 3.4.4. Upon
return to standard ambient temperature, the mount shall be tested in
accordance with all remaining tests specified herein to determine compliance
with respective requirements referenced in each test.
4.6.2 Vibration. - The mount shall be mounted on a vibration machine
equipped with facilities to securely hold the mount while the machine is
in motion. The mount shall be vibrated in accordance with 3.3.2 at the
amplitude and for the period of time specified. Subsequent to vibration,
a visual examination shall be made to determine evidence of physical failure
or damage and the mount shall then meet all requirements as defined in
3.3.2.
4.6.3 Sealing. - This test shall be performed as specified in the
rain test, Procedure I of MIL-F-13926. Subsequent to this test, the mount
shall be examined by visual and tactile means for evidence of moisture or
damage, then successfully tested for the performance requirements specified
herein.
6

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