3940-00-227-5581 BLOCK,TACKLE Index 3940-00-227-5584 BLOCK,TACKLE

National Stock Number:
3940-00-227-5583

Federal Supply Class:
3940

National Item Identification Number:
002275583

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:
S1801-860408PC1T03-5T07-9T011-180064NAVAL SHIP SYSTEMS COMMAND
S1801-860408PC1T03-5T07-9T011-1-80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BEARING TYPEPLAIN
BECKET QUANTITY1
BECKET TYPETHIMBLE
BLOCK TYPEREGULAR
CENTER PIN DIAMETER1.125 INCHES NOMINAL
LOAD RATING15400.0 POUNDS MAXIMUM
MATERIALSTEEL CENTER PIN
MATERIALSTEEL SHEAVE
MATERIALWOOD SHELL
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.625 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELR NO.,SIZE 14 IN.,RIG NO. 11
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
SHEAVE OUTSIDE DIAMETER9.000 INCHES NOMINAL
SHEAVE QUANTITY2
SHELL LENGTH14.000 INCHES NOMINAL
STYLE DESIGNATOROVAL PATTERN
SURFACE TREATMENTPAINT SHELL
TACKLE ACCOMMODATED TYPEFIBROUS ROPE


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