Round pin chain shackles meet the performance requirements of
Federal Specification RR-C-271D Type IVB, Grade A Class 1,
except for those provision required of the contractor.
Nominal Size
(in.)		 WLL*
(t)		 Stock No. Weight Each
(lbs.)		 215 Mechanical Illustration
G-215
Galv.		 S-215
S.C.		 G-215
S-215
1/4 1/2 1018810 1018829 .10
5/16 3/4 1018838 1018847 .18
3/8 1 1018856 1018865 .25
7/16 1-1/2 1018874 1018883 .40
1/2 2 1018892 1018909 .50
5/8 3-1/4 1018918 1018927 1.21
3/4 4-3/4 1018936 1018945 2.00
7/8 6-1/2 1018954 1018963 3.28
1 8-1/2 1018972 1018981 4.75
1-1/8 9-1/2 1018990 1019007 6.30
1-1/4 12 1019016 1019025 9.00
1-3/8 13-1/2 1019034 1019043 12.00
1-1/2 17 1019052 1019061 16.15
1-3/4 25 1019070 1019089 29.96
2 35 1019098 1019105 43.25
Round Pin Shackles are not suitable for side load applications.
Nominal
Size
(in.)		 WLL*
(t)		 Dimensions
(in.)		 Tolerance
+/-
A B C D E F G K N G A
1/4 1/2 .47 .31 .25 .25 .97 .61 .88 1.59 1.34 .06 .06
5/16 3/4 .53 .38 .31 .31 1.16 .75 1.03 1.91 1.59 .06 .06
3/8 1 .66 .44 .38 .38 1.41 .91 1.25 2.30 1.86 .13 .06
7/16 1-1/2 .75 .50 .44 .44 1.63 1.06 1.44 2.66 2.13 .13 .06
1/2 2 .81 .63 .50 .50 1.81 1.19 1.63 3.03 2.38 .13 .06
5/8 3-1/4 1.06 .75 .62 .63 2.31 1.50 2.00 3.75 2.91 .13 .06
3/4 4-3/4 1.25 .88 .81 .75 2.75 1.81 2.38 4.53 3.44 .25 .06
7/8 6-1/2 1.44 1.00 .97 .88 3.19 2.09 2.81 5.33 3.81 .25 .06
1 8-1/2 1.69 1.13 1.00 1.00 3.69 2.38 3.19 5.94 4.53 .25 .06
1-1/8 9-1/2 1.81 1.25 1.25 1.13 4.06 2.69 3.58 6.78 5.13 .25 .06
1-1/4 12 2.03 1.38 1.38 1.25 4.53 3.00 3.94 7.50 5.50 .25 .13
1-3/8 13-1/2 2.25 1.50 1.50 1.38 5.00 3.31 4.38 8.28 6.13 .25 .13
1-1/2 17 2.38 1.63 1.62 1.50 5.38 3.62 4.81 9.06 6.50 .25 .13
1-3/4 25 2.88 2.00 2.12 1.75 6.38 4.19 5.75 10.97 7.75 .25 .13
2 35 3.25 2.25 2.00 2.00 7.25 4.81 6.75 12.28 8.75 .25 .13
* NOTE:

Maximum Proof Load is 2.0 times the Working Load Limit (WLL). Minimum Ultimate Strength is 6 times the Working Load Limit.