SEE APPLICATION AND
WARNING INFORMATION

Para Español: www.thecrosbygroup.com
For O-318: Pages 234- 235
For O-319: Pages
116- 117

  • Available in Working Load Limits of 1.7, 2.3, and 4.2 Tons.
  • Fits 1/4" thru 9/16" hoist chain.
  • Hooks are forged alloy steel -- Quenched and Tempered.
  • Chain connecting pin is alloy.
  • A Product Identification Code (PIC) for material traceability, the size, and the name Crosby or "CG" is forged or stamped onto each hook and swivel assembly (chain nest).
  • Entire assembly is zinc plated.
  • Fitted with ball bearings and is suitable for frequent rotation under load.
  • Repair kit available consisting of bearing and spring pin.
  • O-318 Hooks utilize Crosby SHUR-LOC® "Positive Locking" hooks. Latch is Self-Locking when hook is loaded.
  • O-319 Hooks utilize Crosby® standard 319 Shank Hooks with the registerd QUIC-CHECK® marking .
  • Replacement latch kits are available.

Use in corrosive environment requires shank and nut inspection in accordance with ASME B30.10-1.2.1(b)(2)(c)2000.

O-318
Chain Nest Hooks

Chain
Size
(in.)
O-318
Stock
No.
Working
Load
Limit
(Tons)*
Weight
Each
(lbs.)
Dimensions
(in.)
A B C D F G H J K
1/4 - 9/32 1098409 1.7 3.50 1.75 .70 2.62 .38 1.10 .81 1.46 3.50 4.59
5/16 - 3/8 1098427 2.3 6.00 2.13 .70 3.19 .50 1.15 .94 1.83 4.35 5.65
3/8 - 7/16 1098445 4.2 13.75 3.00 1.00 4.38 .56 1.66 1.16 2.11 5.45 7.06
1/2 - 6/16 1098463 4.2 13.75 3.00 1.00 4.38 .75 1.66 1.16 2.11 5.45 7.06

*Ultimate Load is 4 times the Working Load Limit.

O-319
Chain Nest Hooks

Chain
Size
(in.)
O-319
Stock
No.
Working Load Limit
(Tons)*
Weight
Each
(lbs.)
Dimensions
(in.)
OD AA B C D E F G H J K
1/4 - 9/32 1098312 1.7 2.55 1.75 2.00 .70 2.62 .38 .75 1.00 1.53 1.00 3.62 2.69
5/16 - 3/8 1098334 2.3 4.00 2.13 2.00 .70 3.19 .50 .84 1.12 1.72 1.12 4.09 3.06
3/8 - 7/16 1098356 4.2 10.00 3.00 2.50 1.00 4.38 .56 1.12 1.44 2.12 1.34 4.84 3.78
1/2 - 9/16 1098378 4.2 10.00 3.00 2.50 1.00 4.38 .75 1.12 1.44 2.12 1.34 4.84 3.78

*Ultimate Load is 4 times the Working Load Limit.