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National Stock Number:
3940-01-543-2944
Federal Supply Class:
3940
National Item Identification Number:
015432944
Description:
BLOCK,TACKLE
Detail:
A MECHANICAL DEVICE, CONSISTING OF A PULLEY(S) OR SHEAVE(S) ENCASED IN A SHELL OR FRAME WHICH MAY BE PROVIDED WITH A MEANS SUCH AS A HOOK, EYE, STRAP, SCREW, ETC., BY WHICH IT MAY BE ATTACHED TO AN OBJECT. IT IS USED TO CHANGE DIRECTION OF A RUNNING ROPE AND/OR TO GAIN A MECHANICAL ADVANTAGE.
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Manufacturer Information:
| 459073036 | 97924 | JAMES WALKER HOLDING COMPANY |
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Techincal Specification:
| BEARING TYPE | ROLLER | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 3.500 INCHES NOMINAL | | SHELL LENGTH | 54.000 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 24.000 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | SPECIAL FEATURES | SHORTY J CRANE BLOCK; 30 TON SAFE WORKING LIMIT; 1-1/8" WIRE ROPE | | UNPACKAGED UNIT WEIGHT | 548.000 POUNDS | | STYLE DESIGNATOR | OVAL PATTERN WITH ROPE GUARDS | | TACKLE ACCOMMODATED TYPE | WIRE ROPE |
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