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Crosby® Clevis Sling Hooks

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Crosby

Crosby A-1339 Clevis Sling Hooks

  • Forged Alloy Steel – Quenched and Tempered.
  • Individually Proof Tested to 2-1/2 times the Working Load Limit with certification.
  • Each hook has a Product Identification Code (PIC) for material traceability, along with the size and the name Crosby & U.S.A. in raised letters.
  • Sling hooks incorporate two types of strategically placed markings forged into the product which address two (2) QUIC-CHECK® features: Deformation Indicators and Angle Indicators.
  • Low profile hook tip.
  • New integrated latch (S-4320/S-4339) meets the world standard for lifting.
  • Heavy duty stamped latch interlocks with the hook tip.
  • High cycle, long life spring.
  • When secured with the proper cotter pin through the hole in the tip of hook, meets the intent of OSHA Rule 1926.550(g) for personnel lifting.
  • Suitable for use with Grade 100 chain in overhead lifting applications as long as hook is Proof Tested as part of the chain sling assembly or as an individual component. Per ANSI B30.9-1.
  • Fatigue rated at 1-1/2 times the Working Load Limit at 20,000 cycles.
  • “Look for the Platinum Color – Crosby Grade 100 Alloy Products.”
Chain Size Mfg. # CSI Ref. # Hook
ID
Code
Weight
Each
(lbs.)
Working
Load
Limit
(lbs.)*
S-4320
Rep.
Latch
Mfg. #
S-4339
Rep.
Latch
Mfg. #
(in.) (mm)
6 1048982 CS-07-1000 DA 0.64 3,200 1096325 n/a
1/4 7 1048991 CS-07-1001 HA 1.58 4,300 1096468 n/a
5/16 8 1049000 CS-07-1002 HA 1.57 5,700 1096468 n/a
3/8 10 1049009 CS-07-1003 IA 2.58 8,800 1096515 n/a
1/2 13 1049018 CS-07-1004 JA 5.28 15,000 1096562 n/a
5/8 16 1049027 CS-07-1005 KA 9.81 22,600 1096609 n/a
3/4 18-20 1049036 CS-07-1006 n/a 18.3 35,300 n/a 1048714
7/8 22-23 1049045 CS-07-1007 n/a 24.6 44,100 n/a 1048732

* Ultimate Load is 4 times the Working Load Limit.

Crosby A-1339 Clevis Sling Hooks

Chain Size Dimensions (in.)
(in.) (mm) 0 G J L M R AA
6 2.86 0.73 0.93 4.21 0.63 2.95 1.5
1/4 7 3.86 1.04 1.19 5.67 0.75 3.97 2
5/16 8 3.86 1.04 1.19 5.67 0.75 3.95 2
3/8 10 4.38 1.19 1.53 6.75 1 4.71 2.5
1/2 13 5.6 1.44 1.78 8.38 1.17 5.89 3
5/8 16 6.76 1.89 2.41 10.21 1.44 6.97 4
3/4 18-20 8.31 2.83 2.69 13.07 1.97 8 4.5
7/8 22-23 9.17 3.07 3.05 13.98 1.97 8.76 5

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