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| MIL-P-19131(SHIPS)
(f) Electrical characteristics (for motor drive):
(1) Voltage, phase characteristics and frequency.
(2) Service class.
(3) Ambient temperature.
(4) Duty.
(5) Enclosure.
(6) Winding (d. c.) or design of motors (a, c, ).
(7) Bearings.
(8) Insulation.
(g) Internal combustion engine characteristics (for engine
drive),
(h) A complete list of all items of equipment, not essentially
parts of the pump, which the pump contractor is required
to furnish. Usual mention should be made in such a list
of repair parts and tools. The following items should
be considered also if it is required to have the pump
manufacturer or contractor supply them:
(1) Relief valves or relief by-pass valve.
(2) Drain valves.
(3) Suction and discharge valves.
(4) Pressure vacuum or combined gages.
(5) Thermometers and thermometer sockets.
(6) Permanently connected revolution indicators.
(7) Air or vent valves and cocks,
(8) Motor controllers.
(9) Pressure regulating governors.
(10) Number of technical manuals required.
(i) Type of preservation and packing required and type of onboard
repair parts boxes (type. M or type W of Specifica-
tion MIL-B-233), if required (see 5. 2).
(j) Data required with bids.
6.2 With respect to products requiring qualification, awards will be made
only for such products as have, prior to the bid opening date, been tested and
approved for inclusion in Qualif ied Products List QPL-19 131, whether or not such
products have actually been so listed by that date. Manufacturers are urged to
communicate with the Chief of the Bureau of Ships, Department of the Navy,
Was hington 25, D. C. and arrange to have the products that they propose to offer
tested for qualification.
6.3 This specification supersedes that part of Section S47-3 of the General
Specifications for Machinery covering pumps for class N-2, N-4, 0-2, 0-3 ser-
vices.
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