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|  MIL-M-63995 (AR)
3.2 Materials. Materials shall confrom to the material
specifications referenced on the applicable drawings.
Certification of material may be accepted in lieu of material
tests. The contractor shall be responsible for determining that
materials, assemblies, and parts requiring product qualifications
are listed or qualified for inclusion on the applicable Qualified
Products List (QPL). In the instance that a qualified vend or no
longer exists on the QPL, the contractor is responsible for
selecting a vendor whose product meets the minimum requirement of
the specification. The contractor must also submit to the
government for approval documentation which confirms the vendors
ability to meet the specification in question. Contractors
inspection record shall specifically list such components, name of
Supplier{s) , and number and date of applicable QPL or government
approved vendors not on a QPL.
3.3 Construction. The mount, and all of its assemblies and
components , shall be constructed and assembled as specified on the
applicable drawings referenced on Drawings K10892030, K10891937,
K12253871 and K12253872. Dimensions and tolerances shall be as
specified on the drawings.
3.3.1 Hydraulic system. The recoil mechanism shall be filled
with hydraulic fluid, bled and refilled until all air and
measurable mositure are eliminated. The initial and subsequent
filling of the hydraulic system shall be with hydraulic 0il
conforming to MIL-H-6083 and filtered through a 5 micron filter
Within five minutes after mechanical gymnastication, a minimum of
one pint of oil shall be removed from the lowest drain hole from
each recoil cylinder. Sample shall be drained into a suitable
container. Particles in each sample shall not exceed the limits
specified in Table I.
TABLE I.
Particle limits.
Particles in either sample shall not exceed the following:
Metallic
Ferrous - 40 microns and a maximum of two particles
over 40 microns but not exceeding 200 microns in
greatest dimension.
Non-Ferrous - 200 microns and a maximum of two particles
over 200 microns but not exceeding 400 microns in
greatest dimension.
3
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