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- Rigging Gear; Riggers Lifting Equipment/
- Snatch Blocks, Sheave Blocks and Crane Pulley Blocks/
- Snatch Blocks For Wire and Synthetic Fibre Rope/
- McKissick (by Crosby) Snatch Blocks, Pulley Sheave/
- Crosby McKissick '420', '421' & '406' Champion Snatch Blocks, Hook, Shackle or Tail Board Options, WLL optio of 12,000kg or 15,000kg
- Hooks and side plates are forged alloy steel and heat treated.
- Shackles and yokes are forged and heat treated steel.
- All parts are forged.
- Side plates are designed to eliminate possibility of rope jamming.
- Can be furnished with bronze bushings or sealed roller bearings.
- Opening feature permits insertion of rope while block is suspended from gin-pole.
- Can be furnished with S-4320 hook latch.
- Pressure lube fittings.
- Blocks furnished with dual rated Wireline sheaves.
- Fatigue Rated.
- All sizes are RFID EQUIPPED.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life and material traceability, not addressed by ASME B30.26.
- Tail Board does not contain the spool that is required with the hook (420) and shackle (421) snatch blocks.
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420 with Hook | 421 with Shackle | 406 with Tail Board |
Imperial Specifications
Sheave Diameter (in.) |
Bearing Code |
Stock No. | Wire Rope Size † (in.) |
Working Load Limit * (metric tons) |
Weight Each (lbs.) |
Rep. Sheave Stock No. |
Rep. Latch Stock No. |
||||
420 with Hook |
421 with Shackle |
406 Tail Board |
420 with Hook |
421 with Shackle |
406 Tail Board |
||||||
6 |
BB |
169374 |
169481 |
167973 |
3/4 - 7/8 |
12 |
40 |
48 |
24 |
2023262 |
1096609 |
6 |
RB |
169392 |
204120 |
167982 |
3/4 - 7/8 |
12 |
40 |
48 |
24 |
2023270 |
1096609 |
8 |
BB |
169418 |
169515 |
167991 |
3/4 - 7/8 |
15 |
51 |
57 |
30 |
2023386 |
1096609 |
8 |
RB |
169445 |
204193 |
168008 |
3/4 - 7/8 |
15 |
51 |
57 |
30 |
2023406 |
1096609 |
10 |
BB |
110221 |
110720 |
103186 |
3/4 - 7/8 |
15 |
63 |
69 |
42 |
2023420 |
1096609 |
10 |
RB |
110258 |
110757 |
103202 |
3/4 - 7/8 |
15 |
63 |
69 |
42 |
2023430 |
1096609 |
Metric Specifications
Sheave Diam. (in.) | Bearing Code | Stock No. | Wire Rope Size (mm) † | Working Load Limit (t)* | Weight Each (kg.) | Rep. Sheave Stock No. | Rep. Latch Stock No. | ||||
420 with Hook | 421 with Shackle | 406 Tail Board | 420 with Hook | 421 with Shackle | 406 Tail Board | ||||||
6 | BB | 169374 | 169481 | 167973 | 19-22 | 12 | 18.1 | 21.8 | 10.9 | 460940 | 1096609 |
6 | RB | 169392 | 204120 | 167982 | 19-22 | 12 | 18.1 | 21.8 | 10.9 | 473035 | 1096609 |
8 | BB | 169418 | 169515 | 167991 | 19-22 | 15 | 23.1 | 25.9 | 13.6 | 461360 | 1096609 |
8 | RB | 169445 | 204193 | 168008 | 19-22 | 15 | 23.1 | 25.9 | 13.6 | 473534 | 1096609 |
10 | BB | 110221 | 110720 | 103186 | 19-22 | 15 | 28.6 | 31.3 | 19.1 | 462001 | 1096609 |
10 | RB | 110258 | 110757 | 103202 | 19-22 | 15 | 28.6 | 31.3 | 19.1 | 474025 | 1096609 |
* Ultimate Load is 4 times the Working Load Limit.
†May be furnished in other wire rope sizes.
NOTE: When ordering, please specify: size, block number, hook or shackle, bronze bushed or roller bearing, and Wireline size.
- Hooks and side plates are forged alloy steel and heat treated.
- Shackles and yokes are forged and heat treated steel.
- All parts are forged.
- Side plates are designed to eliminate possibility of rope jamming.
- Can be furnished with bronze bushings or sealed roller bearings.
- Opening feature permits insertion of rope while block is suspended from gin-pole.
- Can be furnished with S-4320 hook latch.
- Pressure lube fittings.
- Blocks furnished with dual rated Wireline sheaves.
- Fatigue Rated.
- All sizes are RFID EQUIPPED.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life and material traceability, not addressed by ASME B30.26.
- Tail Board does not contain the spool that is required with the hook (420) and shackle (421) snatch blocks.
![]() |
![]() |
![]() |
420 with Hook | 421 with Shackle | 406 with Tail Board |
Imperial Specifications
Sheave Diameter (in.) |
Bearing Code |
Stock No. | Wire Rope Size † (in.) |
Working Load Limit * (metric tons) |
Weight Each (lbs.) |
Rep. Sheave Stock No. |
Rep. Latch Stock No. |
||||
420 with Hook |
421 with Shackle |
406 Tail Board |
420 with Hook |
421 with Shackle |
406 Tail Board |
||||||
6 |
BB |
169374 |
169481 |
167973 |
3/4 - 7/8 |
12 |
40 |
48 |
24 |
2023262 |
1096609 |
6 |
RB |
169392 |
204120 |
167982 |
3/4 - 7/8 |
12 |
40 |
48 |
24 |
2023270 |
1096609 |
8 |
BB |
169418 |
169515 |
167991 |
3/4 - 7/8 |
15 |
51 |
57 |
30 |
2023386 |
1096609 |
8 |
RB |
169445 |
204193 |
168008 |
3/4 - 7/8 |
15 |
51 |
57 |
30 |
2023406 |
1096609 |
10 |
BB |
110221 |
110720 |
103186 |
3/4 - 7/8 |
15 |
63 |
69 |
42 |
2023420 |
1096609 |
10 |
RB |
110258 |
110757 |
103202 |
3/4 - 7/8 |
15 |
63 |
69 |
42 |
2023430 |
1096609 |
Metric Specifications
Sheave Diam. (in.) | Bearing Code | Stock No. | Wire Rope Size (mm) † | Working Load Limit (t)* | Weight Each (kg.) | Rep. Sheave Stock No. | Rep. Latch Stock No. | ||||
420 with Hook | 421 with Shackle | 406 Tail Board | 420 with Hook | 421 with Shackle | 406 Tail Board | ||||||
6 | BB | 169374 | 169481 | 167973 | 19-22 | 12 | 18.1 | 21.8 | 10.9 | 460940 | 1096609 |
6 | RB | 169392 | 204120 | 167982 | 19-22 | 12 | 18.1 | 21.8 | 10.9 | 473035 | 1096609 |
8 | BB | 169418 | 169515 | 167991 | 19-22 | 15 | 23.1 | 25.9 | 13.6 | 461360 | 1096609 |
8 | RB | 169445 | 204193 | 168008 | 19-22 | 15 | 23.1 | 25.9 | 13.6 | 473534 | 1096609 |
10 | BB | 110221 | 110720 | 103186 | 19-22 | 15 | 28.6 | 31.3 | 19.1 | 462001 | 1096609 |
10 | RB | 110258 | 110757 | 103202 | 19-22 | 15 | 28.6 | 31.3 | 19.1 | 474025 | 1096609 |
* Ultimate Load is 4 times the Working Load Limit.
†May be furnished in other wire rope sizes.
NOTE: When ordering, please specify: size, block number, hook or shackle, bronze bushed or roller bearing, and Wireline size.
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