New applications should use BL series chain. AL series was removed from the A.N.S.I. B29.8 Leaf chain standard in 1975.
Unit of Measure

Specifications

P - Pitch

 1.000 in

Lacing

 4x4

Min. Tensile Strength

 29100 lb

S - Hole Diameter

 0.314 in

UPC Code

 097039178411

Pin Specifications

D

 0.311 in

L

 1.173 in

Link Plate

T

 0.125 in

H

 0.819 in