3120-01-387-9219 BUSHING,SLEEVE Index 5306-01-387-9221 BOLT,MACHINE

National Stock Number:
3940-01-387-9220

Federal Supply Class:
3940

National Item Identification Number:
013879220

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:
2503990598ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS
25039-15RQL2DRS ENVIRONMENTAL SYSTEMS INC
3151T1439428MCMASTER-CARR SUPPLY CO
25039-190598ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS
25039-192878HDT EXPEDITIONARY SYSTEMS INC


Techincal Specification:
STYLE DESIGNATOROVAL PATTERN
SHELL LENGTH4.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER2.250 INCHES NOMINAL
CENTER PIN DIAMETER0.360 INCHES MINIMUM
BLOCK TYPESNATCH
LOCKING STYLEDROP LINK
MATERIAL AND LOCATIONSTEEL SHELL AND
IRON SHEAVE
SHEAVE QUANTITY1
BEARING TYPEPLAIN
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.500 INCHES
TACKLE LOCKING DEVICENOT INCLUDED
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEFRONT EYE FLATTED LOOSE HOOK
MAXIMUM LOAD RATING900.0 POUNDS


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