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National Stock Number:
3940-00-189-3454
Federal Supply Class:
3940
National Item Identification Number:
001893454
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:
| S1801-860447PC1-2-5-9T011-14-16- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 12.000 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 7.375 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.875 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | BRONZE BEARING | | STEEL CENTER PIN | | STEEL SHEAVE | | STEEL SHELL | | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | | SHEAVE QUANTITY | 3 | | BEARING TYPE | PLAIN | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.312 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | BECKET TYPE | THIMBLE | | BECKET QUANTITY | 1 | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | UPSET SHACKLE IN SHACKLE | | MAXIMUM LOAD RATING | 13000.0 POUNDS | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE ELR NO. SIZE 12 IN. RIG NO. 2 | | EXTRA LONG REFERENCE NUMBER | S1801-860447PC1-2-5-9T011-14-16-17-24-28-33 | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80064 | | DESIGN CONTROL REFERENCE | S1801-860447PC1-2-5-9T011-14-16- |
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