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National Stock Number:
3940-00-222-8428
Federal Supply Class:
3940
National Item Identification Number:
002228428
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:
| S1801-860435 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S1801-860435PC1-2-9THRU14-16-17- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 6.000 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 3.938 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.500 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | STEEL OVERALL | | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | | SHEAVE QUANTITY | 3 | | BEARING TYPE | ROLLER | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.750 INCHES | | MAXIMUM LOAD RATING | 4200.0 POUNDS | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ELP NO.,SIZE 6 IN.,RIG NO. 2 | | EXTRA LONG REFERENCE NUMBER | S1801-860435PC1-2-9THRU14-16-17XX | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80064 | | DESIGN CONTROL REFERENCE | S1801-860435PC1-2-9THRU14-16-17- |
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