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|  MIL-W-15805F(SHIPS)
Metals
. National Electrical Manufacturers Association
Aluminum
Specifications
Magnesium
(Application for copies should be made to National
Iron or steel
electrical Manufacturers Association, 155 East 44th
Nonferrous material (except aluminum)
St., New York 17, New York.)
Zinc
Springs (material)
NATIONAL BUREAU OF STANDARDS
Other Metals
Handbook H28 - Screw Thread Standards For
Plastics
Ceramics
Federal Services.
Impregnating, embedding and encapsulanting
(Application for copies shouId readdressed to
compounds
Glass
superintendent of Documents Government Printing
Office, Washington 25, D. C.)
Lubricants and lubrication
Painting
Protection against corrosion
3. REQUIREMENTS
Bolts, machine screws, studs and nuts
Parts - mechanical
3.1 Qualification.- The wind direction and wind
Gaskets
peed indication equipment furnished under this spec-
Dials and pointers
ification shall be a product which has been tested
Dial sizes
and passed qualification tests specified herein, and
Locking devices
as been listed on or approved for listing on the ap-
Washers
plicable qualified products list.
Ball bearings
Parts - electrical - general
3.2 Description. - The wind direction and wind
Use of nonstandard parts
peed indicating equipment shall be designed to give
Requirements for semiconductor devices
continuous and instantaneous visual indications of
Electron tube or capacitor sockets
wind direction in degrees relative to the ship's bow
Capacitors
and relative wind speed in knots. The equipment
Variable resistors
hall consist of the following:
Transformers
Relays
(a) Wind direction and speed detector.
Synchros (see 3.4.1, 3.4.2, 3.4.3, 3.4.4.6,
(b) Wind direction and speed transmitter.
and 3.4.5)
(c) Wind direction and speed indicator or
Synchro capacitors
speed recorder( when specified (see 6. 1) . )
Synchro electrical zero and equipment
(d) Crosswind and headwind computer.
mechanical zero
(e) Crosswind and headwind indicator.
Servo motors
Electrical tapes
3.3 General features. -
Batteries
Dial illumination lamps
3.3.1 The wind direction and wind speed indicat-
Switches
ing equipment shall be in accordance with the follow-
Indicator lights and lampholders
ing paragraphs of MIL-I-983, in addition to the re-
Fuses
quirements specified herein. Whenever a
Fuseholders and fuse clips
requirement of MIL-I-983 conflicts with a require-
Metallic rectifiers
ment of this specification, the requirement of this
Printed wiring and circuits
specification shall govern:
Enclosures - general
Enclosure - accessibility
General requirements
Enclosure - degree of
Definitions
Enclosure - mounting
Materials, general
stiffening grooves
Substitution of (equal or superior) materials
Minimum sheet metal thicknesses (watertight
Fungus-inert materials
enclosures)
Unacceptable materials
Through bolting
Acceptable materials
Cable entrance
Flammable materials
Cable entrance plates
Arc-resistant materials
Ventilation
Toxic materials
Size (for submarines and surface ships)
Wood
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