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Page Title:
Air, gas. and accumulator system. |
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|  MIL-M-63995 (AR)
Non-Metallic
Abrasive - 200 microns with maximum of two particles
over 200 microns but not exceeding 400 microns in
greatest dimension.
Non-abrasive - No limits, however, close surveillance to
be maintained to insure minimal quantity.
Lint/Fibers - 600 microns X 60 microns or a maximum of eight
particles over 600 microns x 60 microns but not exceeding 3000
microns x 200 microns.
3.3.2 Surface cleanliness. All finish machined surfaces
shall be free of condensation or other foreign residues from the
time of final machining until final assembly. All parts and
assemblies being assembled into the completed mount shall be free
of all foreign material after assembly. Assembly shall be
performed in the controlled environment specified in 6.3.
3.3.3 Part modification. No parts shall be altered or
handfitted during assembly unless such modification has been
authorized by an approved drawing change, or is authorized by
instructions presently listed on the drawings.
3.3.4 Air, gas. and accumulator system. The gas system shall
be clean and free o-f all foreign matter. The hydroscopic content
of the air used to blow the lines shall not exceed one percent of
the total volume of the air used. The system shall be filled,
bled, and refilled until all air and measurable moisture are
eliminated.
3.3.5 Cylinder pressure. The cylinders of the mount shall
withstand the pressures specified on the drawings without damage,
permanent deformation or leakage.
3.3.6 Pistons, rods, and nuts or collars. The pistons,
piston rods, and nuts or collar shall withstand the pull test
specified on the drawings without permanent set or failure of the
screw threads.
3.3.7 Lubrication. Lubricants conforming to MIL-G-10924
shall be used for the assembled mount.
3.3.8 Gas. The nitrogenn used to charge and fill the nitrogen
chamber shall conform to BB-N-411. The charging pressure shall be
specified on Drawing 10891986.
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