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National Stock Number:
3940-00-222-8473
Federal Supply Class:
3940
National Item Identification Number:
002228473
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.
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Manufacturer Information:
| S1801-860398PC1-3-5T07-9T011-14- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.625 INCHES NOMINAL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.000 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ELP NO.,SIZE 8 IN.,RIG NO. 11 | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 5.500 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | SHELL LENGTH | 8.000 INCHES NOMINAL | | STYLE DESIGNATOR | OVAL PATTERN | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
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