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MIL-R-23016(Wep)
Component Parts to Meet Reliability Requirements:
3.1.39
When the contract or equipment specification includes a relia-
bility requirement that is based on a previous calculation and
demonstration of the equipment reliability, the component parts
used must be equal to or more reliable than those used in the
demonstration equipment.
Desire and construction:
3.2
3.2.1
Mechanized Prediction (including Printed circuits):
When designing new equipment, contractors shall include,
when possible, circuits that have been or can be reproduced
by mechanized or semimechanized production facilities con-
sistent with the state of the art.  The procuring activity
shall be kept informed of the type of circuits selected and
the type of facility required to produce such circuits.
The following factors applicable to this type of construction
shall govern.
3.2.1.1
Subassemblies of high reliability or relatively inexpensive
cost shall be constructed as nonrepairable.
3.2.1.2
The contractor shall inform the procuring activity of those
circuits which he proposes to make up as nonrepairable sub-
assemblies.
3.2.1.3
Larger assemblies and expensive repairable stages shall be
constructed of MIL-JAN, or quality nonstandard replaceable
parts or subassemblies as indicated above and shall be
capable of replacement either by subassembly or detail part,
as applicable.
3.2.1.4
In the construction of nonrepairable subassemblies, detail
puts need not be submitted for approval. Approval must be
obtained for the subassembly as a whole.  The approval
request shall describe the detail part construction (as a
rule, the subassembly drawing will satisfy this requirement)
and include data as specified in 3.1.1.2.3, with the sub-
assembly considered as a nonstandard part.
In the selection and layout of circuits, the contractor
3.2.1.5
shall attempt to use circuits, and methods of construction,
which by permit use of the same subassemblies in other equip-
ment having similar circuits and functions.  Preferred
circuits, such as may be published from time to time are
recommended for consideration.
3.2.1.6
The following types of construction are considered to be
classed in the mechanized or semimechanized category, and
shall be considered:
47

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