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|  Standard parts. Military standard parts shall be
2 .3.1
used wherever they are suitable for the purpose, and shall be identified
by their military part numbers. All parts of the same part number shall
be interchangeable as applied within the system.
3.3.2
Nonstandard Parts. Use of nonstandard parts requires
approval by the acquiring activity. Request for approval for the use of
nonstandard parts shall be submitted in accordance with MIL-STD-965.
3.3.3
Commercial hardware parts. Commercial utility
hardware items such as bolts, nuts, cotter pins, etc., may be used
provided they possess suitable properties and are replaceable by standard
parts (specification sheet, MS and AN) without alteration and providing
the corresponding standard part numbers are referenced in the parts list
and on the contractor's drawing.
Interchangeability. All parts shall be manufactured
3.4
standards that will permit replacement or adjustment without modification
parts.
Finish.
3.5
Corrosion resistant metal parts. All protected metal
3.5.1
parts and surfaces that are constructed of corrosion resistant material
and on which a protective coating would be detrimental to proper functioning.
need not be given protective coatings. All exposed metal parts and
surfaces, and all protected metal parts on which a protective coating
will not be detrimental to proper functioning shall be treated for
conformance to the requirements of this specification and drawings listed
on DL 1378AS100.
Protective coating. All exposed parts and surfaces
3.5.1.1
of the equipment and its components shall be given protective coatings
as specified herein and on DL 1378AS100.
Surfaces. Ail surfaces of castings, forgings, molded
3.5.2
parts, stampings, and welded parts shall be cleaned and free of sand,
dirt, fins, sprues, burrs, scale, flux and other harmful or extraneous
materials. External surfaces shall be smooth and all edges shall be
either rounded or beveled, unless sharpness is required to perform
necessary functions.
Treatment and painting. The loader and equipment
3*5.3
shall be treated and finished in accordance with drawing 1378AS225.
Surfaces of components and assemblies of the loader not painted with a
finish coat , shall be cleaned and prepared in accordance with standard
commercial practice. Plastics, rubber, or fabric hoses and drive belts
shall net be painted, Engine accessories (i.e., alternator, starter),
instruments , and other such end items that are plated or painted by the
manufacturer shall not be painted by the supplier and shall be adequately
protected or masked from overspray.
5
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