3940-01-353-7987 BLOCK,TACKLE Index 3940-01-353-7989 BLOCK,TACKLE

National Stock Number:
3940-01-353-7988

Federal Supply Class:
3940

National Item Identification Number:
013537988

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:
H301C475535THE CROSBY GROUP LLC


Techincal Specification:
STYLE DESIGNATOROVAL PATTERN
SHELL LENGTH4.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER2.250 INCHES NOMINAL
CENTER PIN DIAMETER0.375 INCHES NOMINAL
BLOCK TYPEREGULAR
MATERIAL AND LOCATIONIRON SHELL
IRON BEARING
SHEAVE QUANTITY1
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.250 INCHES
TACKLE LOCKING DEVICENOT INCLUDED
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEFRONT EYE FLATTED LOOSE HOOK
MAXIMUM LOAD RATING1100.0 POUNDS


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