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|  MIL-S-52124B(ME)
3.4 Material. Material shall be as specified herein. All
material shall be new and unused. Material not specified shall be
selected by the supplier as being compatible with the intended use
in accordance with the engineering standards of the earthmoving and
construction equipment industry and as set forth in the publications
of the American Society for Testing and Materials (ASTM), Society
of Automotive Engineers including SAE Handbook (SAE), and United
States of America Standards Institute (USA STD). Unless otherwise
specified herein, rubber products furnished shall not exceed 8
calendar quarters in age from date of cure of the rubber to date
of acceptance of the screening unit by the Government. Threaded
parts shall be in accordance with SAE Standards and Handbook H28.
Maximum practicable use shall be made of interchangeable hardware
and fastening devices and of a minimum number of types and sizes
of studs, bolts, screws, washers, nuts, and similar common (standard)
parts l
3.6 Safety. The safety characteristics of the screening unit
shall meet the following requirements:
s
(a
Eliminate concealed danger created by the Supplier
)
design.
(b)
Eliminate hazards to personnel and to property.
Result in supplying material having a correct. safety
(c)
factor.
Provide needed safety and protective devices or prominent
(d)
warnings. Protective devices shall not impair the operating
functions.
(e)
Conform to all requirements of the ICC Motor Carrier
Safety Regulations, parts 190 and 193, pertaining to
large semitrailers, except for rear bumper, and as speci-
fied herein.
(f)
Conform to Code of Federal Regulations, Title 23, Chapter
2, Part 255, Federal Motor Vehicle Safety Standards, ex-
cept as specified herein. Theoretical calculations are
acceptable only in lieu of destructive testing.
For exposed components and systems which are subject to high temper-
atures, high pressures, electrically actuated, or inherently hazardous,
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