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- Crosby S643 Weldless Rings, WLL Range from 2540kg to 8620kg
Weldless Rings meet the performance requirements of Federal Specification RR-C-271F Type VI, except for those provisions required of the contractor.
- Forged carbon steel - Quenched and Tempered.
- Self Colored
Metric Dimensions & Specifications
Size A (mm) |
Size (A) (In.) | S-643 Stock No. | Working Load Limit Single Pull (t)* |
Weight Each (kg) | Dimensions (mm) | |
B | C | |||||
22.2 x 102 | 7/8 x 4 | 1013780 | 3.27 | 1.23 | 102 | 146 |
22.2 x 140 | 7/8 x 5-1/25 | 1013806 | 2.54 | 1.57 | 140 | 184 |
25.4 x 102 | 1 x 4 | 1013824 | 4.90 | 1.67 | 102 | 152 |
28.6 x 152 | 1-1/8 x 6 | 1013842 | 4.72 | 2.99 | 152 | 210 |
31.8 x 127 | 1-1/4 x 5 | 1013860 | 7.71 | 3.09 | 127 | 191 |
34.9 x 152 | 1-3/8 x 6 | 1013888 | 8.62 | 4.59 | 152 | 222 |

*Ultimate Load is 6 times the Working Load Limit.
Weldless Rings meet the performance requirements of Federal Specification RR-C-271F Type VI, except for those provisions required of the contractor.
- Forged carbon steel - Quenched and Tempered.
- Self Colored
Metric Dimensions & Specifications
Size A (mm) |
Size (A) (In.) | S-643 Stock No. | Working Load Limit Single Pull (t)* |
Weight Each (kg) | Dimensions (mm) | |
B | C | |||||
22.2 x 102 | 7/8 x 4 | 1013780 | 3.27 | 1.23 | 102 | 146 |
22.2 x 140 | 7/8 x 5-1/25 | 1013806 | 2.54 | 1.57 | 140 | 184 |
25.4 x 102 | 1 x 4 | 1013824 | 4.90 | 1.67 | 102 | 152 |
28.6 x 152 | 1-1/8 x 6 | 1013842 | 4.72 | 2.99 | 152 | 210 |
31.8 x 127 | 1-1/4 x 5 | 1013860 | 7.71 | 3.09 | 127 | 191 |
34.9 x 152 | 1-3/8 x 6 | 1013888 | 8.62 | 4.59 | 152 | 222 |

*Ultimate Load is 6 times the Working Load Limit.
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