A-A-2516A
3. SALIENT CHARACTERISTICS.
3.1 Design. Wheel shaped design for use with portable or stationary power tools
3.1.1 Type 1. Brushes shall have a narrow face width to be used individually or in multiple configurations on a common arbor. The brush shall possess an unthreaded through hole of specified size. To minimize vibration the arbor-hole shall be centered to insure the brush runs true.
3.1.2 Type 2. Brushes shall have a wide face width to be used
individually on an arbor. The brushes 4 inches and below in diameter shall be
one piece with an arbor hole as specified. The brushes 4 inches in diameter and
above shall possess an unthreaded through hole 2 inches in diameter. To adapt
the 2-inch hole to desired arbor size there shall be two adaptor plates of
specified size supplied. To minimize vibration the arbor and arbor adaptor hole
shall be centered to insure the brush runs true.
3.1.3 Body. The body shall be of steel overall and constructed in such a
manner as to insure an even distribution of the wire throughout the brush to
provide a balanced unit for minimal vibration at max rated free speed R.P.M.
Provisions shall be made for securely holding the till wire in place and to
prevent the wire from detaching due to flex during use or at rated free speed
RPM. Where welded construction is used, the wire shall not be burned, broken,
or affected in any way by the welding process.
3.1.4 Wire. As specified, the crimped wire shall be of brass, stainless
steel or high carbon tempered steel. The wire shall be comprised of at least
four, single-amplitude, three; dimensional-crimps per inch of specified
diameter and wire-points (density).
3.2 Identification marking. The tool shall be marked with the Maximum
Safe Free Speed, (RPM or MSFS), the words “Wear Eye Protection”, the
manufacturer’s name or identifying symbol and the state or country of
manufacture, unless otherwise specified. All identification markings shall be
etched, engraved, molded, or indented directly on the item’s surface in such a
manner that it remains clearly legible throughout the life of the item.
3.3 Workmanship. Details of workmanship shall be in accordance with the
best commercial practices. The brushes shall be well constructed with a
balanced distribution of wire fill. Paints, coatings, plating, and finishes
shall be smooth, adherent, continuous and not stained or discolored. External surfaces
shall be free of tool and gouge marks, nicks, or other surface imperfections.
The item shall be free from manufacturing workmanship defects (e.g. sharp or
rough external edges, comers. or surfaces) and material workmanship defects (e.
g. pits, rips, fins, burrs, tears, nodules, cracks, or blisters), which may
adversely impact the item’s serviceability, durability, safety, or appearance.
4. RGGULATORY REQUIREMENTS.
4.1 Recovered materials. The supplier/manufacturer is encouraged to use
recovered materials to the maximum extent practicable, in accordance with
paragraph 23.403 of the Federal Acquisition Regulation (FAR).
4.2 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 (using conversion tables
contained in the latest revision of Federal Standard 376) 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.
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