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Sling Components Quick Reference
This is a list of commonly used sling components. All sizes are in inches. All load limits are in tons.
Shackles
Crosby G-2130 are the most common type used.
Shackles - Crosby G-2130
| WLL | Nominal Size | Pin Diameter | Throat | Eye Diameter | Drill Size | Plate Thickness |
|---|---|---|---|---|---|---|
| 3.25 | 5/8 | 0.77 | 1.06 | 1.5 | 13/16 | 7/8 |
| 4.75 | 3/4 | 0.89 | 1.25 | 1.81 | 15/16 | 1 |
| 6.5 | 7/8 | 1.02 | 1.44 | 2.09 | 1-1/16 | 1-1/8 |
| 8.5 | 1 | 1.15 | 1.69 | 2.38 | 1-3/16 | 1-3/8 |
| 9.5 | 1-1/8 | 1.25 | 1.81 | 2.69 | 1-5/16 | 1-3/8 |
| 12 | 1-1/4 | 1.4 | 2.03 | 3 | 1-7/16 | 1-5/8 |
| 13.5 | 1-3/8 | 1.53 | 2.25 | 3.31 | 1-9/16 | 1-3/4 |
| 17 | 1-1/2 | 1.66 | 2.38 | 3.63 | 1-3/4 | 1-7/8 |
| 25 | 1-3/4 | 2.04 | 2.88 | 4.19 | 2-1/8 | 2-1/4 |
| 35 | 2 | 2.3 | 3.25 | 4.81 | 2-3/8 | 2-1/2 |
| 55 | 2-1/2 | 2.8 | 4.13 | 5.69 | 2-7/8 | 3-1/8 |
| 85 | 3 | 3.3 | 5 | 6.5 | 3-3/8 | 3-7/8 |
| 120 | 3-1/2 | 3.76 | 5.25 | 8 | 3-7/8 | 4 |
| 150 | 4 | 4.26 | 5.5 | 9 | 4-1/2 | 4-1/4 |
Drill size is based on 106% max hole size. Plate thickness is based on 75% of throat opening and may include cheek plates
Master Links
Crosby A-342 master links and Crosby A-345 Master link assembly data.
| WLL | Nominal Size | Diameter | Inside Width | Inside Height |
|---|---|---|---|---|
| 3.7 | 1/2 | 0.62 | 2.8 | 5 |
| 4.5 | 5/8 | 0.62 | 3 | 6 |
| 6.15 | 3/4 | 0.73 | 3.2 | 6 |
| 7.6 | 7/8 | 0.88 | 3.75 | 6.38 |
| 13 | 1 | 1.1 | 4.3 | 7.5 |
| 19.55 | 1-1/4 | 1.33 | 5.5 | 9.5 |
| 30.55 | 1-1/2 | 1.61 | 5.9 | 10.5 |
| 42.45 | 1-3/4 | 1.75 | 6 | 12 |
| 51.3 | 2 | 2 | 7 | 14 |
| 71.55 | 2-1/4 | 2.25 | 8 | 16 |
| 80 | 2-1/2 | 2.5 | 8.38 | 16 |
| 108.45 | 2-3/4 | 2.75 | 9.88 | 18 |
| 114 | 3 | 3 | 9.88 | 18 |
| 131.1 | 3-1/4 | 3.25 | 10 | 20 |
| 139.5 | 3-1/2 | 3.5 | 12 | 24 |
| 168 | 3-3/4 | 3.75 | 10 | 20 |
| 186.5 | 4 | 4 | 12 | 24 |
| 177 | 4-1/4 | 4.25 | 12 | 24 |
| 180 | 4-1/2 | 4.5 | 14 | 28 |
| 194.5 | 4-3/4 | 4.75 | 14 | 28 |
| 197.5 | 5 | 5 | 15 | 30 |
Rope
6x19 Class IWRC EIPS wire rope
Wire Rope - 6x19 IWRC EIPS
| WLL | Nominal Size | Min. Breaking Strength |
|---|---|---|
| 1.4 | 3/8 | 7.55 |
| 1.9 | 7/16 | 10.2 |
| 2.5 | 1/2 | 13.3 |
| 3.2 | 9/16 | 16.8 |
| 3.9 | 5/8 | 20.6 |
| 5.6 | 3/4 | 29.4 |
| 7.6 | 7/8 | 39.8 |
| 9.8 | 1 | 51.7 |
| 12 | 1-1/8 | 65 |
| 15 | 1-1/4 | 79.9 |
| 18 | 1-3/8 | 96 |
| 21 | 1-1/2 | 114 |
| 24 | 1-5/8 | 132 |
| 28 | 1-3/4 | 153 |
| 32 | 1-7/8 | 174 |
| 37 | 2 | 198 |
| 40 | 2-1/8 | 221 |
| 44 | 2-1/4 | 247 |
| 49 | 2-3/8 | 274 |
| 54 | 2-1/2 | 302 |
| 60 | 2-5/8 | 331 |
| 65 | 2-3/4 | 361 |
| 71 | 2-7/8 | 392 |
| 77 | 3 | 425 |