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National Stock Number:
3940-01-471-6044
Federal Supply Class:
3940
National Item Identification Number:
014716044
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:
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Techincal Specification:
| STYLE DESIGNATOR | PULLEY PATTERN | | SHELL LENGTH | 2.500 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 1.500 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.188 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL | | SHEAVE QUANTITY | 1 | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.375 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | CHAIN SHACKLE | | MAXIMUM LOAD RATING | 300.0 POUNDS |
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