RR-W-410 Wire Rope And StrandThis specification covers wire ropes and wire seizing strands see 6.1. This specification does not include all types, classes, constructions, and sizes of wire rope and strand that are commercially available, but it is intended to cover the more common types, classes, constructions, and sizes that are suitable for federal government use.

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RR-W-410G

3.16.1.3 Fabrication. Wire rope shall be preformed and fabricated in accordance with 3.4. The diameter at the cut end shall not increase more than shown in table XL.

3.16.1.4 Lay. The lay shall be right regular lay in accordance with 3.4.4.1.

3.16.1.5 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be in accordance with table XL.

3.16.2 Type VI, small cords, class 1, 3 by 7 (see figure 50 for typical construction). Wire rope grade carbon steel, 1/32 inch size, shall be in accordance with ASTM A1023/A1023M. Wire rope grade corrosion-resistant steel and carbon steel, 3/64 inch size, shall be in accordance with the requirements specified herein.

3.16.2.1 Wire rope shall have 3 strands of 7 wires each, totaling 21 wires laid together without a core. This class shall be required only in sizes 1/32 and 3/64.

3.16.2.2 Each strand shall be in accordance with 3.11.1.2.

3.16.3 Type VI, small cords, class 2, 7 by 7 (see figure 51 for typical construction). Wire rope grade carbon steel, 1/32 inch size, shall be in accordance with ASTM A1023/A1023M. Wire rope grade corrosion-resistant steel shall be in accordance with the requirements specified herein.

3.16.3.1 Wire rope shall have 6 strands of 7 wires each, totaling 42 wires laid around a wire strand core also of 7 wires. This class shall be required only in sizes 3/64, 1/16, and 3/32.

3.16.3.2 Each strand, including the wire strand core, shall be in accordance with 3.11.1.2.

3.16.4 Type VI, small cord, class 3, 7 by 19 (2 operations) (see figure 52 for typical construction). Wire rope grade carbon steel shall be in accordance with ASTM A1023/A1023M. Wire rope grade corrosion-resistant steel shall be in accordance with the requirements specified herein.

3.16.4.1 Wire rope shall have 6 strands of 19 wires each, totaling 114 wires laid around a wire strand core also of 19 wires. This class shall be required only in sizes 1/16 through 3/8.

3.16.4.2 Each strand, including the wire strand core, shall be in accordance with 3.11.2.2.2.

4. QUALITY ASSURANCE PROVISIONS

4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.