Bolt chain shackles meet the performance requirements of
Federal Specification RR-C-271D Type IVB, Grade A, Class 3,
except for those provision required of the contractor.

Nominal Size
(in.)
WLL* 
(t)
Stock No. 2150
Weight Each
(lbs.)
2150 Mechanical Illustration
G-2150
Galv.
S-2150
S.C.
3/16 1/3‡
1/4 1/2 1019768 .13
5/16 3/4 1019770 .23
3/8 1 1019772 .33
7/16 1-1/2 1019774 .49
1/2 2 1019775 1019784 .75
5/8 3-1/4 1019793 1019800 1.47
3/4 4-3/4 1019819 1019828 2.52
7/8 6-1/2 1019837 1019846 3.85
1 8-1/2 1019855 1019864 5.55
1-1/8 9-1/2 1019873 1019882 7.60
1-1/4 12 1019891 1019908 10.81
1-3/8 13-1/2 1019917 1019926 13.75
1-1/2 17 1019935 1019944 18.50
1-3/4 25 1019953 1019962 31.40
2 35 1019971 1019980 46.75
2-1/2 55 1019999 1020004 85.00
3 † 85 1020013 124.25

Working Load Limit reductions exist in side loading applications!
Click here for more information

Nominal
Shackle
Size
(in.)
WLL*
(t)
Dimensions
(in.)
Tolerance
A B D F G K M N R G A
3/16 1/3‡ .38 .25 .19 .56 .19 .06 .06
1/4 1/2 .47 .31 .25 .61 .75 1.59 .97 .25 .25 .06 .06
5/16 3/4 .53 .38 .31 .75 1.00 1.91 1.16 .31 .31 .06 .06
3/8 1 .66 .44 .38 .91 1.22 2.30 1.41 .38 .38 .13 .06
7/16 1-1/2 .75 .50 .44 1.06 1.42 2.66 1.62 .44 .44 .13 .06
1/2 2 .81 .63 .50 1.19 1.63 3.03 1.81 .50 .50 .13 .06
5/8 3-1/4 1.06 .75 .63 1.50 2.00 3.75 2.31 .69 .63 .13 .06
3/4 4-3/4 1.25 .88 .75 1.81 2.38 4.53 2.75 .81 .81 .25 .06
7/8 6-1/2 1.44 1.00 .88 2.09 2.81 5.33 3.19 .97 .97 .25 .06
1 8-1/2 1.69 1.13 1.00 2.38 3.19 5.94 3.69 1.06 1.00 .25 .06
1-1/8 9-1/2 1.81 1.25 1.13 2.69 3.58 6.78 4.06 1.25 1.25 .25 .06
1-1/4 12 2.03 1.38 1.25 3.00 3.94 7.50 4.53 1.38 1.38 .25 .06
1-3/8 13-1/2 2.25 1.50 1.38 3.31 4.38 8.28 5.00 1.50 1.50 .25 .13
1-1/2 17 2.38 1.63 1.50 3.63 4.81 9.06 5.38 1.62 1.62 .25 .13
1-3/4 25 2.88 2.00 1.75 4.19 5.75 10.97 6.38 2.25 2.12 .25 .13
2 35 3.25 2.25 2.00 4.81 6.75 12.28 7.25 2.40 2.00 .25 .13
2-1/2 55 4.13 2.75 2.62 5.69 8.00 14.84 9.38 3.13 2.62 .25 .25
3 †   85   5.00 3.25 3.00 6.50 8.50 16.88 11.00 3.62 3.50 .25 .25

* NOTE:

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

Individually Proof Tested with certification and furnished with Round Head Bolts with welded handles.