MIL-C-0052980C(ME)
3.
REQUIREMENTS
3.1 Description. The air compressor shall be of the commercial
classification "garage type" and shall consist of either an
air-cooled piston compressor unit or air-oil cooled, rotary
compressor unit with an air reservoir, air hose and power unit.
3.2 First article.
Unless otherwise specified (see 6.2), a
sample shall be subjected to first article inspection (see 4.3 and
6.2).
3.3 Winterized first article.
When winterized compressors are
specified (see 3.25) in addition to non-winterized compressors, two
first article models shall be furnished for examination and test.
One of these first article models shall be a non-winterized
compressor and one shall be a winterized compressor.
3.4 Material.
Material shall be as specified herein and on the
drawings.
Materials not specified shall be selected by the
contractor and shall be subject to all provisions of this
specification.
3.4.1 Material deterioration Pre ve ntion an d co ntrol.
The
compressors shall be fabricated from compatible materials,
inherently corrosion resistant or treated to provide protection
against the various forms of corrosion and deterioration that may be
encountered in any of the applicable operating and storage
environments to which the compressors may be exposed.
Dissimilar metals shall not be used in
3.4.2
Dissimilar metals.
intimate contact with each other unless protected against galvanic
corrosion.
Dissimilar metals and methods of protection are defined
and detailed in MIL-STD-889.
3.5 Recovered materials.
For the purpose of this requirement,
recovered materials are those materials which have been collected
from solid waste and reprocessed to become a source of raw
materials, as distinguished from virgin raw materials.
The
components, pieces and parts incorporated in the compressors may be
newly fabricated from recovered materials to the maximum extent
practicable, provided the compressors produced meets all other
Used, rebuilt or remanufactured
requirements of this specification.
components, pieces and parts shall not be incorporated in the
compressors.
3.6 Operating temperatures.
The compressors shall perform as
specified herein in any ambient temperature from 120 to -25 "F for
non-winterized compressors; and from 120 to -50 "F for winterized
compressors (see 3.25) .
3.7
Safety and human factors engineering.
3.7.1 Safety.
All rotating or reciprocating parts and other
parts subject to high operation temperatures that are of such a
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