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|  MIL-F- 14252 (
AR )
insulation resistance between ungrounded electrical circuits
and the body or frame of' individual units, and between isolated
circuits shall net be less than 10 megohms when tested in ac-
cordance with 4.3.13.
3.11.23 Dielectric. - Unless otherwise specified, motor and
transformer windings shall not decrease in the insulation resist=
ante requirement of 3.11.22 `when twice the rated voltage and
twice the
frequency is applied.
3.11.24 Temperature rise. - The hot temprature of any component
the highest permissible temperature for the
shall not exeed
materiais involved. Thermocouples or the resistance method
shall be used to measure temperature rise.
3.12 Identlftcatien of parts, assemblies, and complete items
Part numbering.- Each part, for which a detail drawing
3.12.1
is p r e p a r e4d s h a l l l bear a permanent legible Ordnance part num-
ber if at all feasible. The following do not require part. num-
bers :
(a) Individual parts of inseparable assemblies (com-
con-
ponents of welded, brazed, molded, and sewed
struction) which are not stocked as spares. The
inseparable assembly as a whole Is part numbered.
(b) Individual parts which comprise metal chests, wooden
boxes and leather cases.
(c) Unmodified commercial b items.
The size, shape, material, and function of the part shall deter-
mine how or where the part number should be applied. The contract-
make the final decision
excluding Ordnance
numbers, shall contain
by the drawing size
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