3940-00-227-5519 BLOCK,TACKLE Index 3940-00-227-5521 BLOCK,TACKLE

National Stock Number:
3940-00-227-5520

Federal Supply Class:
3940

National Item Identification Number:
002275520

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:
S1801-860441PC1-2-9T011-14-16-180064NAVAL SHIP SYSTEMS COMMAND
S1801-860441PC1-2-9T011-14-16-1-80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEUPSET SCREW PIN ANCHOR SHACKLE
BLOCK TYPEREGULAR
CENTER PIN DIAMETER0.625 INCHES NOMINAL
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.000 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY ELP NUMBER SIZE 8 IN.,RIG N0 2
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
SHEAVE OUTSIDE DIAMETER5.500 INCHES NOMINAL
SHEAVE QUANTITY3
SHELL LENGTH8.000 INCHES NOMINAL
STYLE DESIGNATOROVAL PATTERN
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
TACKLE LOCKING DEVICENOT INCLUDED


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