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|  MIL-N-45664E(MU)
3.5 Performance.
3.5.1 Release grip.- With the gages in 3.2.1 inserted into the mount,
the release grip shall automatically latch. the gages in the fully inserted
position. A direct pull of not more than 15 pounds on the release grip
shall actuate the grip to its full disengaged position. Full disengagement
of the grip shall allow removal of the gages from the mount without re-
strictions.
3.5.2 Holding features.- When Lever 8619482 is pushed to its fullest
forward position and locked by releasing the plunger, the gages (see 3.2.1)
shall be secured in the mount. Subsequent to the application of a tem
pound pressure applied horizontally to the front and rear of each gage at
a point 7.5 inches below the center of the plugs (Part No. 8298440), the
gage shall be within .0005 inch of its original location when measured
horizontally at a point 7.5 inches below the center of the plugs. This
requirement shall be met following the release of each of the pressures
applied.
3.5.3 Shield assembly.- With the plunger depressed (disengaged), maxi-
mum operation of the handle shall operate the shield through full operation
(open for viewing and closed for protection). When the shield is fully open
and when the shield is fully closed, the plunger shall engage and lock the
handle when the plunger is released.
3.5.4 Headrest.
3.5.4.1 Headrest horizontal travel.- Each Knob B8619466 (M118) or
Screw B10516599 (Ml18El) shall be loosened and each headrest assembly shall
be adjustable through maximum movement permitted by the elongated slot in
the assembly without restriction or force.
3.5.4.2 Retention. - The torsional load applied to each Screw 8619463
(see applicable Drawing F8619450 or E11727490) shall be such that the head-
rests shall not change position when subjected to the vibration specified
in 3.3.2 and shall be operable at the temperature specified in 3.3.1.
4. QUALITY ASSurance PROVISIONS
4.1 Responsibility for inspection.- Unless otherwise specified in the
contract or purchase order, the supplier is responsible for the performance
of all inspection requirements as specified herein. Except as otherwise
specified, the supplier may utilize his own facilities or any other faci-
lities suitable for the performance of the inspection requirements speci-
fied herein, unless disapproved by the Government. The Government reserves
the right to perform any of the inspections set forth in the specification
where such inspections are deemed necessary to assure supplies and services
conform to prescribed requirements.
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