3940-00-222-8403 BLOCK,TACKLE Index 3940-00-222-8406 BLOCK,TACKLE

National Stock Number:
3940-00-222-8404

Federal Supply Class:
3940

National Item Identification Number:
002228404

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:
S1801-860430PC1T09-12-20-25-2680064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BEARING TYPEROLLER
BECKET TYPETHIMBLE
BECKET QUANTITY1
BLOCK TYPEREGULAR
CENTER PIN DIAMETER0.438 INCHES NOMINAL
LOAD RATING2000.0 POUNDS MAXIMUM
MATERIALSTEEL OVERALL
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.625 INCHES
SHEAVE OUTSIDE DIAMETER3.438 INCHES NOMINAL
SHEAVE QUANTITY1
SHELL LENGTH5.000 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSIZE 5 IN.,RIG NO. 11
STYLE DESIGNATOROVAL PATTERN
SURFACE TREATMENTZINC OVERALL
TACKLE ACCOMMODATED TYPEFIBROUS ROPE


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