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|  MIL-T-60826B(MU)
4.5 Inspection equipment. - Except as otherwise provided for by the
contract, the contractor shall supply and maintain inspection equipment
in accordance with the applicable requirements of MIL-I-45607.
4.5.1 Government furnished inspection equipment. - Where the contract
provides for Government furnished test equipment, supply and maintenance
of test equipment shall be in accordance with the applicable requirements
specified in MIL-I-45607.
4.5.2 Contractor furnished inspection equipment.
4.5.2.1 Government design. - Unless otherwise specified in the
contract, all inspection equipment specified by drawing number in specifi-
cations or SQAP forming a part of the contract shall be supplied by the
contractor in accordance with technical data listed in the technical data
package (TDP).
4.5.2.2 Contractor design. - The contractor shall design and Supply
inspection equipment compatible with the "Test Methods and Procedures"
specified in 4.6 of this specification and with the component inspection
procedures specifies in "Examination" 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.
4.5.2.3 Inspection equipment design requirements.
4.5.2.3.1 Sealing. - The pressure testing equipment to test sealing
of the telescope shall conform to the internal pressure test requirements
of Sheet 1 of Drawing F8565556, Pressure Tester-Two Station.
4.5.2.3.2 Orientation of telescope. - The testing equipment utilized
to mount and orient the telescope for the accuracy tests shall permit
mounting the geometric axis of the objective tube (front tube) in a
horizontal plane within ten seconds, the locating key at the six o'clock
position within ten seconds, and the center of the eyepiece hanger bolt
hole positioned 2.822 0.010 below the plane of the objective tube. The
testing equipment shall also provide for articulation of the eyepiece
housing assembly to any position in elevation between its stops.
4.5.2.3.2.1 Collimation, missile reticle movement, conventional
reticle movement, backlash, reticle accuracy and parallax. - The testing
equipment used for these tests shall be accurate within eighteen seconds.
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