MIL-DTL-23554E(SH)
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)
IEEE 45
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Electric Installation on Shipboard. (DoD adopted)
(Copies of these documents are available from the Institute of Electrical and Electronics Engineers, Inc., 445
Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331 or online at www.ieee.org.)
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between
the text of this document and the references cited herein (except for related specification sheets), 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 inspection (see 6.3) in
accordance with 4.2.
3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally
preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the
operational and maintenance requirements, and promotes economically advantageous life cycle costs.
3.3 Materials.
3.3.1 Structure. Frame, base, and strength members shall be constructed of malleable iron, ductile iron, or
steel, and shall be hot-dipped galvanized or primed and painted. Gray cast iron or other brittle materials shall not be
used for these parts.
3.3.2 Shell. Unless otherwise specified, shell shall be made of corrosion-resistant steel in accordance with
ASTM A167, type 302 or 304. Front of the shell shall be corrosion-resistant steel or ferrous metal with corrosion-
resisting metal liners on the side exposed to the washing solution. The shell shall be provided with a corrosion-
resistant steel door frame.
3.3.3 Cylinder. The cylinder shall be made of corrosion-resistant steel in accordance with ASTM A167, type
302 or 304. The driving trunnion and spider shall be the same material as the cylinder, or ferrous metal protected by
either hot-dip galvanizing or a corrosion-resistant coating.
3.3.4 Cabinet. The cabinet shall be made of corrosion-resistant steel in accordance with ASTM A167, type 302
or 304.
3.3.5 Metal joints. Rivets, bolts, screws, nuts, and washers shall be of steel, except when brass or corrosion-
resistant steel is fastened, in which case they shall be of brass or corrosion-resistant steel. Where dissimilar metals
are fastened, rivets, bolts, screws, nuts, and washers shall be galvanically compatible with materials being joined.
Electrodes or welding rods used for welding shall deposit material similar to the base metal of the parts being
welded. Welded steel parts shall be galvanized after completion of welding in accordance with ASTM
A123/A123M. Nuts subject to vibration or shock shall be self-locking. Drill point screws are prohibited. Spacing
of fasteners shall provide strength, tightness, and rattle-free performance. Convenient access shall be provided to
fasteners of parts requiring service.
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