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Page Title:
Mounting Base, Electrical Equipment, Detailed Description |
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|  MIL-N-81604C(AS)
Para 3.5.5.12
(cont)
Cooling - The CIU shall require no cooling
c.
air.
3.5.6 Mounting Base, Electrical Equipment, Detailed Description
3.5.6.1 Function - The ANCU mounting base shall be used for
restraint and to provide shock and vibration isolation for the
ANCU. The mount shall also be designed with an integral transi-
tion device which will direct cooling air into the ANCU heat
exchanger from a circular tube source.
3.5.6.2 Specification - The mounting base shall be designed
in accordance with MIL-C-172.
3.5.6.3 Configuration - The mounting base shall be configured
as indicated by the outline and mounting drawing, figure 32.
3.5.6.4 Weight - The weight of the ANCU mounting base, including
the vibration isolators and the cooling air plenum, shall not
exceed 4.0 1bs.
3.5.6.5 Installation - The mounting base shall be designed for
installation on a horizontal shelf using 16 8-32 NC-2A or
10-32 NF-2A screws mounted through isolator flange holes. As
indicated on the outline and mounting drawing (figure 32), cool-
ing air shall be coupled to the air inlet side of the transition
device using six 4-40 NC-2A screws. The sway space required
under maximum dynamic conditions with the ANCU in place is also
shown in figure 32.
4.
QUALITY ASSURANCE PROVISIONS
4.1 Responsibity for Inspection - Unless otherwise specified,
the contractor is responsible for the performance of all test
requirements as specified herein. Except as otherwise specified,
the contractor may utilize his own facilities or any commercial
laboratory acceptable to the Government. The Government reserves
the right to perform any of the tests set forth in the specifi-
cation where such tests are deemed necessary to assure that
supplies and services conform to prescribed requirements.
Classification of Tests - Items covered by this speci-
4.1.1
fication shall be subjected to the following tests to determine
compliance with all applicable requirements.
129/130
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