3940-00-227-5520 BLOCK,TACKLE Index 3940-00-227-5522 BLOCK,TACKLE

National Stock Number:
3940-00-227-5521

Federal Supply Class:
3940

National Item Identification Number:
002275521

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:
S1801-860441PC1-2-9T011-14-16-1-80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATOROVAL PATTERN
SHELL LENGTH8.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER5.500 INCHES NOMINAL
CENTER PIN DIAMETER0.625 INCHES NOMINAL
MATERIAL AND LOCATIONSTEEL OVERALL
SURFACE TREATMENT AND LOCATIONZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY3
BEARING TYPEPLAIN
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.000 INCHES
MAXIMUM LOAD RATING7050.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELP NO. SIZE 8 IN.,RIG NO. 4
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCES1801-860441PC1-2-9T011-14-16-1-


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