3940-00-189-3491 BLOCK,TACKLE Index 3940-00-189-3496 BLOCK,TACKLE

National Stock Number:
3940-00-189-3495

Federal Supply Class:
3940

National Item Identification Number:
001893495

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:
S1801-860433PC180064NAVAL SHIP SYSTEMS COMMAND
S1801-860433PC1-5-9T014-16-1980064NAVAL SHIP SYSTEMS COMMAND
S1801-860433PC1-5-9T014-16-19-380064NAVAL SHIP SYSTEMS COMMAND
S1801-860433PC1-5-9T014-16-19-3-80064NAVAL SHIP SYSTEMS COMMAND
S1801-860433PC1-5-9TO14-16-1980064NAVAL SHIP SYSTEMS COMMAND
S1801-860433PC1-5-9TO14-16-19-380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATOROVAL PATTERN
SHELL LENGTH6.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER3.938 INCHES NOMINAL
CENTER PIN DIAMETER0.500 INCHES NOMINAL
BLOCK TYPEREGULAR
MATERIAL AND LOCATIONSTEEL OVERALL
SURFACE TREATMENT AND LOCATIONZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPEROLLER
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.750 INCHES
BECKET TYPETHIMBLE
BECKET QUANTITY1
MAXIMUM LOAD RATING2450.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELR NO. SIZE 6 IN.,RIG NO. 10
EXTRA LONG REFERENCE NUMBERS1801-860433PC1-5-9T014-16-19-33-34
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCES1801-860433PC1-5-9T014-16-19-3-


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