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|  MIL-S-17000N(SH)
2.3 Order of precedence. In the event of a conflict between the text of
this specification and the references cited herein, the text of this specifi-
cation shall take precedence.
3.
REQUIREMENTS
3.1 Specification sheets. The individual equipment requirements shall be
as specified herein and in accordance with the applicable specification sheets
(see 6.2.1). In the event of any conflict between the general requirements of
this specification and the various other documents, the order of precedence
shall be as follows: the Acquisition Technical Data Package (ATDP) (see 6.5.9),
the specification sheets, this specification and MIL-STD-1657.
3.1.1 Classification of requirements.
The requirements for switching
equipment are classified as follows:
Requirement
Paragraph
General features
3.3
Materials and processes
3.4
Parts and features - mechanical
3.5
Parts and features - electrical
3.6
Features - environmental and miscellaneous
3.7
Wiring fixture
3.8
Installation and check out repair parts
3.9
Panel-mounted assembly test cables
3.10
Services
3.11
Drawings
3.12
Workmanship
3.13
3.2 Qualification. Switching equipment furnished under this specifica-
tion shall be products which are qualified for listing on the applicable
qualified products list at the time set for opening of bids (see 4.3 and 6.3).
3.3 General features. Equipment shall be in accordance with the require-
ments specified in 3.3.1 through 3.3.3.
3.3.1 Primary requirements. Characteristics not normally incorporated in
the design of commercial equipment are required on Naval ships. Primary require-
ments which are the basis for the design of Naval equipment are:
(a)
Maximum reliability for operation under shipboard conditions
of heat, moisture, vibration, shock, and ship motion as
specified herein.
Material and design shall be lightweight and compact consistent
(b)
with reliable shipboard operation.
Maximum accessibility for inspection and maintenance.
(c)
Maximum simplicity of design consistent with other requirements
(d)
specified herein.
Maximum resistance to corrosive action, in particular, that of
(e)
moist sea air and ultraviolet radiation.
Maximum operating and maintenance economy.
(f)
Maximum interchangeability of parts.
(g)
Minimum number of necessary maintenance parts.
(h)
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