A-A-2852
3.6.1 Cleanout plug. P-traps shall be equipped with a
copper alloy cleanout plug with wrench flats, and furnished with a washer to
seal the joint. The cleanout shall not form a pocket in the trap or obstruct
the outlet flow of waste.
3.6.2 Water seal depth. The depth of the water seal shall be not less
than 2 inches (50.8 MM). The term water seal refers to the vertical distance in
a pipe trap between water level at the point of overflow and the lowest level
that prevents the passage of any gas or air through the trap.
3.7 Finish.
3.7.1 Internal surfaces. Internal surfaces shall have an as-cast surface
for cast parts and a smooth mill finish for wrought parts.
3.7.2 Exterior surfaces. Exposed surfaces of traps, plugs, and other
hardware shall have a bright or satin chromium finish at the manufacturer’s
option, plated in accordance with service condition (SC 1) specified in ASTM
B456.
3.8 Performance.
3.8.1 P-Trap joints. P-trap joints shall withstand a torque of 30
ft.lbf (40 J) without failure (see 5.6.1).
3.9 Workmanship. All parts shall be free of defects that affect
appearance, function, or serviceability. Chromium plating shall be uniform in
appearance and free of blisters and void areas.
3.10 Measurement system. The values stated in inch-pound units are to be
regarded as the standard. The metric values stated in parentheses are for
information purposes only.
3.10.1 Metric products. Products manufactured to metric dimensions will
be considered on an equal basis with those manufactured using inch-pound units,
provided they fall within the tolerances specified and all other requirements
of this document are met. If a product is manufactured to metric dimensions and
those dimensions exceed the tolerances specified in the inch-pound units, a
request should be made to the contracting officer to determine if the product
is acceptable.
3.11 Commercial item. The use of the term “commercial item description”
in this document does not imply that any item or items offered are not required
to conform with all requirements specified herein.
4. REGULATORY REQUIREMENTS
4.1 Regulatory requirements. The offeror/contractor is encouraged to
use recovered materials to the maximum extent practicable, in accordance with
paragraph 23.403 of the Federal Acquisition Regulation (FAR).
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