A-A-50967B
3.4 Gears. All gears shall be constructed from a material suitable for the intended purpose. All drive gears shall have sufficient hardness, surface finish, and toughness to transmit the full-rated torque of the drive without gear damage, failure, or premature deterioration and wear.
3.5 Hand crank. A hand crank and handle shall rotate the grinding wheel.
3.6 Tool rest. The tool rest height and position shall be adjustable as needed to accommodate edged hand tools.
3.7 Mounting flange. The mounting flange shall prevent the grinding wheel from slipping during operation.
3.8 Screw clamp. For type I machines, a screw clamp shall be furnished to mount the machine on a bench-top one to three inches thick. For type II machines, a screw clamp shall be furnished to mount the machine on a bench top 3/4 to 1-1/2 inches thick.
3.9 Lubrication. The machine shall provide a suitable means of lubrication for all bushings and gears. Hinged-lid oil caps shall be provided on all external oil holes to block out grit and dust.
3.10 Paint. The machine exterior surfaces shall be painted in accordance with the manufacturer's standard methods, materials, and colors.
3.11 Grinding wheel. The grinding wheel dimensions shall be six inches in diameter, one inch wide and be provided with a 3/8 inch diameter hole. The grinding wheel dimensions are applicable to both type I and type II machines. The wheel shall have aluminum oxide abrasives, vitrified bond, medium grain, medium grade of hardness, square faced and straight sides, and shall meet the requirements of American National Standard Institute (ANSI) B74.13, "Markings for Identifying Grinding Wheels and Other Bonded Abrasives" (DoD adopted).
4. REGULATORY REQUIREMENTS
4.1 Recovered materials. 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).
5. PRODUCT CONFORMANCE PROVISIONS
5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description, conform to the producer's own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the
contract.
5.2 Market acceptability. The product offered must have been previously sold either to the government or on the commercial market.
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