MIL-PRF-2940D
SPECIFICATIONS
DEPARTMENT OF DEFENSE
MIL-S-901
- Shock Tests, H.I. (High-Impact) Shipboard
Machinery, Equipment, and Systems,
Requirements for.
MIL-PRF-17331 - Lubricating Oil, Steam Turbine and Gear,
Moderate Service.
MIL-F-18866
- Fittings, Hydraulic Tube, Flared, 37 Degree
and Flareless, Steel.
STANDARDS
DEPARTMENT OF DEFENSE
MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment
(Type I - Environmental and Type II -
Internally Excited).
MIL-STD-1330 - Cleaning and Testing of Shipboard Oxygen,
Nitrogen and Hydrogen Gas Piping Systems.
MS16142
- Boss, Gasket Seal Straight Thread Tube
Fitting, Standard Dimensions for.
(Unless otherwise indicated, copies of federal and military specifica-
tions, standards, and handbooks are available from the Standardization
Document Order Desk, 700 Robbins Avenue, Bldg. 4D, Philadelphia, PA 19111-
5094.)
2.3
Non-Government publication.
ASTM E 527 - Practice for Numbering Metals and Alloys (UNS).
SAE J 1086 - Numbering Metals and Alloys.
2.4 Order of precedence. In the event of a conflict between the text
of this document and the references cited herein, the text of this document
takes precedence. Nothing in this document, however, supersedes applicable
laws and regulations unless a specific exemption has been obtained.
3.
REQUIREMENTS
3.1
First article. When specified (see 6.2), a sample shall be
subjected to first article inspections in accordance with 4.2.
3.2
Material. Material for wetted parts shall be selected for long
term compatibility with the service fluid (see 1.2.1) and the
environment in which they operate. Material for wetted parts shall
be equal to or superior in corrosion resistance to that used in the
body except that corrosion resistant steel is prohibited for type 4
(seawater) snubbers and for oxygen service. When copper-nickel,
nickel-copper, or corrosion resistant steel alloys are used, they
shall be identified as listed below. All other materials shall be
identified as composition "X".
Composition A - Copper-nickel alloys (C70600 and C71500).
Composition B - Nickel-copper (monel) (55-70 percent nickel).
Composition C - Corrosion resistant steel (S30400, S30403, S31600,
S31603, S32100, and S34700).
Composition X - Material, other than above.
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