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MIL-R-23016(Wep)
3.1.32
Washers for Ceramic and Vitreous Surfaces:
Buffer washers of suitable metallic or fibrous material shall
be used between the otherwise facing surfaces of a ceramic or
vitric insulator or vitreous enamel resistor and a metal part,
whenever practicable.  Buffer washers of soft copper or other
suitable material shall be used whenever the heat resulting
from soldering or like operations during assembly, or internal
heat from normal operation of the equipment, is of such degree
as to cause deterioration of fiber washers in any manner.
Welding:
3.1.33
The joining surfaces of all parts to be welded shall be thor-
oughly cleaned of foreign matter which will interfere with
proper welding.  All welds shall have good fusion and be of
ample size to develop the full strength of the connected parts.
Any weakening of the welded parts a short distance from the
weld, owing to annealing as a result of the welding process,
shall not reduce the strength below the design requirements.
When harmful stresses may result from welding, the welded parts
shall be annealed sufficiently to remove the stresses. All
welds shall be cleaned of scale and oxidation products, and the
excess flux shall be removed.  Electrodes used in arc-welding
shall be a type which will produce a weld having chemical and
physical properties similar to those of the parent metal.
When spot-welding is used to permanently secure parts, the
number of welds shall be sufficient to provide adequate strength,
with no less than two welds on each part.
Wire (Hookup):
3.1.34
Stranded conductors of suitable degrees of flexibility shall be
used whenever practicable within the requirements of this speci-
fication.  Hookup wire shall be of such cross section and temper
as to provide ample and safe current carrying capacity and
mechanical strength.  In general, wire shall not be smaller than
AWG No. 22.  Wire directly associated with the primary power
circuit shall be of a size consistent with the current requirement.
of the circuit.  When it can be demonstrated that the use of
smaller hookup wire will result in no loss of performance and at
the same time will produce benefits, such as a reduction in weight
or improved accessibility, smaller wire may be used.  This provision
43

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