3940-00-189-3485 BLOCK,TACKLE Index 3940-00-189-3491 BLOCK,TACKLE

National Stock Number:
3940-00-189-3490

Federal Supply Class:
3940

National Item Identification Number:
001893490

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.


Manufacturer Information:
4801-Q65LN0APEX TOOL GROUP, LLC
4801-Q96508APEX TOOL GROUP
G-954-S75535THE CROSBY GROUP LLC
5173-3-8-1-276320MCMILLANS W H SONS


Techincal Specification:
BEARING TYPEPLAIN
BLOCK TYPEREGULAR
CENTER PIN DIAMETER0.750 INCHES NOMINAL
LOAD RATING4000.0 POUNDS MAXIMUM
MATERIALCOPPER ALLOY BEARING
MATERIALIRON SHELL
MATERIALSTEEL CENTER PIN
MATERIALSTEEL SHEAVE
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
SHEAVE OUTSIDE DIAMETER6.000 INCHES NOMINAL
SHEAVE QUANTITY1
STYLE DESIGNATOROVAL PATTERN
TACKLE ACCOMMODATED TYPEWIRE ROPE


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