Crosby's Wirelock Calculator
Crosby's Wirelock Calculator
Open Grooved Sockets meet the performance requirements of Federal Specification RR-S-550D, Type A, except for those provisions required of the contractor. For additional information, see page 361. 
  • Forged Steel Sockets thru 1-1/2", cast alloy steel 1-5/8" thru 4".
  • Spelter socket terminations have an efficiency rating of 100%, based on the catalog strength of wire rope. Ratings are based on recommended use with 6 x 7, 6 x 19, or 6 x 37, IPS or XIP (EIP), XXIP (EEIP), RRL, FC, or IWRC wire rope.

NOTICE:
All cast steel sockets 1-5/8" and larger are magnetic particle inspected and ultrasonic inspected.  Proof testing available on special order.  Drawing illustrates one groove used on sockets 1/4" thru 3/4".  Sizes 7/8" thru 1-1/2" use 2 grooves.  Sizes 1-5/8" and larger use 3 grooves.

G-416 / S-416
Open Spelter Sockets
Rope
Dia.
(in.)		 Structural Strand Dia.
(in.)		 Stock No. Weight
Each
(lbs.)		 Dimensions
(in.)
G-416
Galv.		 S-416
S.C.		 A C D F G H J L M N
1/4 - 1039619 1039628 1.10 4.56 .75 .69 .38 .69 1.56 2.25 1.56 1.31 .36
5/16-3/8 - 1039637 1039646 1.30 4.84 .81 .81 .50 .81 1.69 2.25 1.75 1.50 .44
7/16-1/2 - 1039655 1039664 2.25 5.56 1.00 1.00 .56 .94 1.88 2.50 2.00 1.88 .50
9/16-5/8 1/2 1039673 1039682 3.60 6.75 1.25 1.19 .69 1.13 2.25 3.00 2.50 2.25 .56
3/4 9/16-5/8 1039691 1039708 5.83 7.94 1.50 1.38 .81 1.25 2.62 3.50 3.00 2.62 .62
7/8 11/16-3/4 1039717 1039726 9.65 9.25 1.75 1.63 .94 1.50 3.25 4.00 3.50 3.13 .80
1 13/16-7/8 1039735 1039744 15.50 10.56 2.00 2.00 1.13 1.75 3.75 4.50 4.00 3.75 .88
1-1/8 15/16-1 1039753 1039762 21.50 11.81 2.25 2.25 1.25 2.00 4.12 5.00 4.62 4.12 1.00
1-1/4 - 1-3/8 1-1/16 - 1-1/8 1039771 1039780 31.00 13.19 2.50 2.50 1.50 2.25 4.75 5.50 5.00 4.75 1.13
1-1/2 1-3/16 - 1-1/4 1039799 1039806 47.25 15.12 3.00 2.75 1.63 2.75 5.25 6.00 6.00 5.38 1.19
* 1-5/8 1-5/16 - 1-3/8 1039815 1039824 55.00 16.25 3.00 3.00 1.75 3.00 5.50 6.50 6.50 5.75 1.31
* 1-3/4 - 1-7/8 1-7/16 - 1-5/8 1039833 1039842 82.00 18.25 3.50 3.50 2.00 3.13 6.38 7.50 7.00 6.50 1.56
* 2 - 2-1/8 1-11/16 - 1-3/4 1039851 1039860 129.00 21.50 4.00 3.75 2.25 3.75 7.38 8.50 9.00 7.00 1.81
* 2-1/4 - 2-3/8 1-13/16 - 1-7/8 1039879 1039888 167.00 23.50 4.50 4.25 2.50 4.00 8.25 9.00 10.00 7.75 2.13
* 2-1/2 - 2-5/8 1-15/16 - 2-1/8 1041633 1041642 252.00 25.50 5.00 4.75 2.88 4.50 9.25 9.75 10.75 8.50 2.38
* 2-3/4 - 2-7/8 2-3/16 - 2-7/16 1041651 1041660 315.00 27.25 5.25 5.00 3.12 4.88 10.50 11.00 11.00 9.00 2.88
* 3 - 3-1/8 2-1/2 - 2-5/8 1041679 1041688 380.00 29.00 5.75 5.25 3.38 5.25 11.12 12.00 11.25 9.50 3.00
* 3-1/4 - 3-3/8 2-3/4 - 2-7/8 1041697 1041704 434.00 30.88 6.25 5.50 3.62 5.75 11.88 13.00 11.75 10.00 3.12
* 3-1/2 - 3-5/8 3 - 3-1/8 1041713 1041722 563.00 33.25 6.75 6.00 3.88 6.50 12.38 14.00 12.50 10.75 3.25
* 3-3/4 - 4 - 1041731 1041740 783.00 36.25 7.50 7.00 4.25 7.25 13.62 15.00 13.50 12.50 3.50

*  Cast Alloy Steel.