A-A-51155C
Method for Density Determination for Powder Metallurgy (P/M) Materials Containing Less Than Two Percent Porosity". Type II rotary files shall have a transverse rupture strength of 220,000 pounds per square inch when tested in accordance with ASTM B 406, "Standard Test Method for Transverse Rupture Strength of Cemented Carbides".
3.2 Fluting. The fluting of the rotary file shall be either right-hand spiral, right-hand spiral with chip breaker, double cut, or diamond cut pattern, depending upon the style specified.
3.2.1 Style A rotary files. Style A rotary files shall have right-hand spiral fluting consisting of a right-hand helix. The helix angle measured from the centerline of the cutter head shall be between
15 degrees and 35 degrees.
3.2.2 Style B rotary files. Style B rotary files shall have a right-hand spiral fluting with a left- hand spiral chip breaker along the periphery of the cutting teeth.
3.2.3 Style C rotary files. Style C rotary files shall have double cut fluting consisting of a series of left-hand spirals in conjunction with right-hand spirals, which results in a wedge or chisel form cutting tooth. The number of left-hand spirals shall be between 40 percent and 60 percent of the number of right-hand spirals.
3.2.4 Style D rotary files. Style D rotary files shall have diamond cut fluting consisting of a series of left-hand spirals in conjunction with right-hand spirals that result in a pyramidal form cutting tooth. The number of left-hand spirals shall be between 70 percent and 90 percent of the number
of right-hand spirals.
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 CID, 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.
5.2 Market acceptability. The product offered must have been previously sold either to the government or on the commercial market.
6. PACKAGING
6.1 Preservation, packing, and marking. Preservation, packing, and marking shall be as specified in the acquisition order (see 7.3(h)).
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