4920-00-984-0218 ATTENUATOR,TEST STA Index 3940-00-984-0222 BLOCK,TACKLE

National Stock Number:
3940-00-984-0220

Federal Supply Class:
3940

National Item Identification Number:
009840220

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:
3043Q-6IND9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
GGG-B-49081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEJAW AND EYE SWIVEL
BECKET TYPETHIMBLE
BECKET QUANTITY1
BLOCK TYPEREGULAR
CENTER PIN DIAMETER0.500 INCHES NOMINAL
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.759 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE
SHEAVE BEARING LUBRICATION METHODSELF-LUBRICATED
SHEAVE OUTSIDE DIAMETER3.500 INCHES NOMINAL
SHEAVE QUANTITY3
SHELL LENGTH6.000 INCHES NOMINAL
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 1.000 IN.
STYLE DESIGNATORROUND PATTERN
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
TACKLE LOCKING DEVICENOT INCLUDED


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