MIL-F-52429F
drawings, layouts, flow sheets, processing procedures, etc.) prepared by the
contractor or obtained from a vendor to support fabrication and manufacture of
the production item shall be made available upon request, for inspection by
the contracting officer or the designated representative.
3.2
First article.
Unless otherwise specified (see 6.2), a sample shall be
subjected to first article inspection (see 4.3 and 6.3).
Any changes or
deviations of filter-separators from the approved first article during
production shall be subject to the approval of the contracting officer.
Approval of the first article shall not relieve the contractor's obligation to
furnish filter-separators conforming to this specification.
Materials shall be as specified herein and as shown on the
3.3 Materials.
applicable drawings. Materials not specified shall be selected by the
contractor, and shall be subject to all provisions of this specification.
3.3.1 Material deterioration prevention and control. The filter-separator
shall be fabricated from compatible materials, inherently corrosion resistant
or treated to provide protection against the various forms of corrosion and
deterioration that may be encountered in any of the applicable operating and
storage environments to which the filter-separator may be exposed.
3.3.1.1 Dissimilar metals. Dissimilar metals shall not be used in intimate
contact with each other unless protected against galvanic corrosion.
Dissimilar metals and methods of protection are defined and detailed in
MIL-STD-889.
3.3.2 Recovered materials.
For the purpose of this requirement, recovered
materials are those materials which have been collected from solid waste and
reprocessed to become a source of raw materials, as distinguished from virgin
raw materials. The components, pieces and parts incorporated in the
filter-separator may be newly fabricated from recovered materials to the
maximum extent practicable, provided the filter-separator produced still meets
Used, rebuilt or remanufactured
all other requirements of this specification.
components, pieces and parts shall not be incorporated in the
filter-separator.
3.4
Design.
Environmental
conditions.
3.4.1
The filter-separator shall permit flow in
Operating temperatures.
3.4.4.l
(+52
to -25
(-32
any ambient temperature in the range of +125
The filter-separator shall not be damaged
3.4.1.2 Storage temperatures.
by storage at ambient temperatures from +160 `F (+71
to -50
(-46
3.4.2 Human factors. The filter-separator shall conform to the applicable
human factors engineering criteria as specified in MIL-STD-1472, and shall be
operable and maintainable by the 5th percentile females through 95th
percentile males (stature).
Maintainabililty.
3.4.3
3.4.3.1 Maintenance supp ort
Assemblages or support elements such as
technical manuals, repair parts, special tools, or lubrication charts as
specified (see 6.6 and 6.7) shall be adequate to perform the intended function
of assisting or conducting maintenance operations on the filter-separator.
The filter-separator shall have a maintenance
3.4.3.2 Maintenance ratio
ratio of no greater than 0.03.
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