3940-00-222-8472 BLOCK,TACKLE Index 3940-00-222-8475 BLOCK,TACKLE

National Stock Number:
3940-00-222-8473

Federal Supply Class:
3940

National Item Identification Number:
002228473

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:
S1801-860398PC1-3-5T07-9T011-14-80064NAVAL 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
BLOCK TYPEREGULAR
MATERIAL AND LOCATIONSTEEL CENTER PIN AND
STEEL SHEAVE AND
WOOD SHELL
SURFACE TREATMENT AND LOCATIONPAINTED SHELL AND
ZINC, ELECTROLYTIC SHEAVE
SHEAVE QUANTITY1
BEARING TYPEPLAIN
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.000 INCHES
MAXIMUM LOAD RATING2850.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELP NO.,SIZE 8 IN.,RIG NO. 11
EXTRA LONG REFERENCE NUMBERS1801-860398PC1-3-5T07-9T011-14XX
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCES1801-860398PC1-3-5T07-9T011-14-


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