RR-C-271 Chains And Attachments, Carbon And Alloy SteelThis specification covers carbon and alloy steel chain of commercial quality together with the attachments most commonly used with this chain.

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RR-C-271F

FIGURE 20. Type V, class 2, eye grab hook.

TABLE XVI. Type V, class 2, eye grab hook.

Size of chain (nominal) (inch)

Weight each (approx) (pounds)

Working load limit (pounds)

Proof load (min) (pounds)

Breaking load

(min) (pounds)

1/4

3/8

1/2

5/8

3/4

0.44

1.1

2.3

4.0

6.1

3,600

6,400

11,400

17,800

25,650

7,200

12,800

22,800

35,600

51,300

14,400

25,600

45,600

71,200

102,600

3.4.4.4 Class 3, eye hoist or eye sling hooks. The eye hoist or eye sling hooks shall have the eye parallel to the hook, shall be similar to figure 21, and shall be in accordance with physical requirements as shown in table XVII.

FIGURE 21. Type V, class 3, eye hoist or eye sling hook.