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National Stock Number: 3940-01-547-7869
Federal Supply Class: 3940
National Item Identification Number: 015477869
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 | HALF-OVAL PATTERN | SHEAVE OUTSIDE DIAMETER | 100.000 INCHES NOMINAL | CENTER PIN DIAMETER | 0.500 INCHES NOMINAL | BLOCK TYPE | REGULAR | MATERIAL AND LOCATION | ALUMINUM OVERALL | SHEAVE QUANTITY | 1 | TACKLE ACCOMMODATED TYPE | WIRE ROPE | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.625 INCHES | TACKLE LOCKING DEVICE | NOT INCLUDED | ANTITOPPLING DEVICE | NOT INCLUDED | ATTACHMENT STYLE | OBLONG SWIVEL EYE | MAXIMUM LOAD RATING | 4990.0 POUNDS | SPECIAL FEATURES | DOUBLE BLOCK, DOUBLE SWIVEL |
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