M)L‐DTL‐
C
. . Class G, external to internal. The Class G adapter shall be of one‐piece construction and shall have
one external and one internal threaded end. The )nternal threaded end shall be equipped with lugs. The
adapter shall be similar to Figure .
. . Class (, internal to external. The Class ( adapter shall be of one‐piece construction and shall have
one internal and one external threaded end. The internal threaded end shall be equipped with lugs and shall
be similar to Figure .
. Type XV)), coupling, hose. The couplings shall be similar to Drawing
E
and Figures
and .
. . Class A, double internal, plain. The Class A coupling shall be of the double‐swivel type consisting
of a center piece and two internal threaded swivel ends equipped with lugs. The ‐ / inch size shall have
long arm handles.
. . Class B, internal to external, gated. The Class B coupling shall consist of a centerpiece in which is
located a valve with a handle, an internal threaded swivel end equipped with lugs, and an external threaded
end. The valve shall be of the sliding‐gate type with a full‐size waterway. The valves shall be operable and
leakproof under a pressure of
psi.
. Type XV))), elbow, hose, ‐degree swivel type, internal to external. The hose elbow connection
shall consist of a ‐degree elbow with one external threaded end and one internal threaded swivel end
equipped with lugs. The elbow shall be similar to Figure and to Drawing
E
.
. Type X)X, nipple hose: double external. The hose nipple shall be of one‐piece construction and shall
consist of two external threaded ends on a center section equipped with lugs. The nipple shall be similar to
Figure and to Drawing
E
.
. Workmanship. All parts, components, and assemblies of the connections including castings,
forgings, and machined surfaces shall be clean and free from sand, dirt, fins, pits, sprues, scale, or other
harmful extraneous material. All edges shall be rounded or beveled, with no sharp, ragged, or rough edges.
. VER)F)CAT)ON
. Classification of inspections. The inspection requirements specified herein are classified as follows:
a Preproduction inspection see . .
b Conformance inspection see . .
. Preproduction inspection.
. . Examination. The preproduction connections shall be examined as specified in . . . Presence of
one or more defects shall be cause for rejection.
. . Tests. The preproduction connections shall be tested as specified in . . . Failure of any test shall
be cause for rejection.
. Conformance inspection.
. . Lot . For the purpose of inspection, a lot shall consist of all connections of the same type, class and
size offered for delivery at one time.
8
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