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National Stock Number:
3940-01-390-3172
Federal Supply Class:
3940
National Item Identification Number:
013903172
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:
| 724050 | 75535 | THE CROSBY GROUP LLC | | T-385-B 8IN. | 75535 | THE CROSBY GROUP LLC |
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Techincal Specification:
| SHEAVE OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | BRONZE BEARING AND | | WOOD SHELL | | BEARING TYPE | PLAIN | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | SPECIAL FEATURES | BLOCK SIZE 8.0 INCHES |
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