1560-01-351-3904 FITTING,STRUCTURAL COMPONENT,AIR Index 3940-01-351-3906 BLOCK,TACKLE

National Stock Number:
3940-01-351-3905

Federal Supply Class:
3940

National Item Identification Number:
013513905

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:
660983753711NAVAL SEA SYSTEMS COMMAND
6609837ITEM2753711NAVAL SEA SYSTEMS COMMAND
8911-247-1376257CROSBY GROUP INC THE MCKISSICK PLANT DIV


Techincal Specification:
ATTACHMENT STYLEDRILLED SWIVEL EYE AND SHACKLE
BLOCK TYPEREGULAR
CRITICALITY CODE JUSTIFICATIONFEAT
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
SHEAVE OUTSIDE DIAMETER9.000 INCHES NOMINAL
SHEAVE QUANTITY1
SPECIAL FEATURESATTACHMENT STYLE LENGTH
STYLE DESIGNATORSTRAP AND PLATE PATTERN


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