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.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 - 31 - 32 - 33 - 34 - 35 - 36 - 37 - 38 - 39 - 40 - 41 - 42 - 43 - 44 - 45

RR-C-271F

TABLE XXIV. Type XI, bead-chain insulating coupling.

Size of chain used with (inch)

Length overall (approx) (inches)

Distance between metal ends (min) (inch)

Diameter of fiber rod (approx) (inch)

Breaking load (min) (pounds)

1/8

1.094

0.5

0.219

3.4.10 Type XIII, pear-shaped links. The pear-shaped links shall be forged or welded from low alloy steel and shall be in accordance with chemical requirements shown in table I. The links shall be heat treated, be similar to figure 30, and shall be in accordance with the sizes and weights as shown in table XXV.

FIGURE 30. Type XIII, pear-shaped link.