3940-00-879-2134 BLOCK,TACKLE Index 4130-00-879-2138 CHILLER,WATER,REFRIGERATING

National Stock Number:
3940-00-879-2137

Federal Supply Class:
3940

National Item Identification Number:
008792137

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:
3074UK-1665LN0APEX TOOL GROUP, LLC
3074UK-1696508APEX TOOL GROUP
GGG-B-49081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
STYLE DESIGNATOROVAL PATTERN
SHELL LENGTH16.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER9.000 INCHES NOMINAL
CENTER PIN DIAMETER1.000 INCHES NOMINAL
BLOCK TYPESNATCH
LOCKING STYLESAFETY LOCKING
MATERIAL AND LOCATIONBRONZE BEARING
STEEL CENTER PIN
IRON SHEAVE AND
STEEL SHEAVE
IRON SHELL AND
STEEL SHELL
SURFACE TREATMENT AND LOCATIONZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPEPLAIN
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED2.000 INCHES
TACKLE LOCKING DEVICENOT INCLUDED
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEDRILLED SWIVEL EYE AND SHACKLE
MAXIMUM LOAD RATING16000.0 POUNDS
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 2.625 IN.
NONDEFINITIVE SPEC/STD DATA3 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEGGG-B-490


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