3940-00-264-4772 BLOCK,TACKLE Index 3940-00-264-4774 BLOCK,TACKLE

National Stock Number:
3940-00-264-4773

Federal Supply Class:
3940

National Item Identification Number:
002644773

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:
S1801-770377PC1T012-14-16T02280064NAVAL SHIP SYSTEMS COMMAND
S1801-770377PC1TO12-14-16TO22-2-80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORROUND PATTERN
SHEAVE OUTSIDE DIAMETER24.000 INCHES NOMINAL
CENTER PIN DIAMETER1.875 INCHES NOMINAL
BLOCK TYPESNATCH
LOCKING STYLESAFETY LOCKING
MATERIAL AND LOCATIONSTEEL CENTER PIN AND
STEEL SHELL AND
STEEL SHEAVE AND
BRONZE BEARING
SURFACE TREATMENT AND LOCATIONZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPEPLAIN
SHEAVE BEARING LUBRICATION METHODPRESSURE GREASE FITTING
TACKLE ACCOMMODATED TYPEWIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.000 INCHES
TACKLE LOCKING DEVICENOT INCLUDED
ANTITOPPLING DEVICENOT INCLUDED
ATTACHMENT STYLEOBLONG SWIVEL EYE
MAXIMUM LOAD RATING26400.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENT1ATED BY MAXIMUM TACKLE DIAMETER ACCOMMODATED, ATTACHMENT STYLE, AND EXTRA LONG REFERENCE NUMBER
EXTRA LONG REFERENCE NUMBERS1801-770377PC1TO12-14-16TO22-25TO29, 24 IN SHEAVE O.D., 1.875 IN CENTER PIN DIA
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCES1801-770377PC1TO12-14-16TO22-2-


Click here to Register for Free 30-day Trial