3940-00-264-4762 BLOCK,TACKLE Index 3940-00-264-4764 BLOCK,TACKLE

National Stock Number:
3940-00-264-4763

Federal Supply Class:
3940

National Item Identification Number:
002644763

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:
S1801-770379PC1T010-14T016-1880064NAVAL SHIP SYSTEMS COMMAND
S1801-770379PC1TO10-14TO16-18-3-80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORHOISTER PATTERN
SHEAVE OUTSIDE DIAMETER14.000 INCHES NOMINAL
CENTER PIN DIAMETER2.000 INCHES NOMINAL
BLOCK TYPEREGULAR
MATERIAL AND LOCATIONSTEEL OVERALL
SURFACE TREATMENT AND LOCATIONZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPEROLLER
SHEAVE BEARING LUBRICATION METHODPRESSURE GREASE FITTING
TACKLE ACCOMMODATED TYPEWIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.625 INCHES
TACKLE LOCKING DEVICENOT INCLUDED
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEOBLONG SWIVEL EYE
MAXIMUM LOAD RATING10282.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SHEAVE QUANTITY AND BY ATTACHMENT STYLE, AND EXTRA LONG REFERENCE NUMBER
EXTRA LONG REFERENCE NUMBERS1801-770379PC1TO10-14TO16-18-33-34, 14 IN SHEAVE O.D., 2 IN CENTER PIN DIA
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCES1801-770379PC1TO10-14TO16-18-3-


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