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National Stock Number:
3940-00-227-5520
Federal Supply Class:
3940
National Item Identification Number:
002275520
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:
| S1801-860441PC1-2-9T011-14-16-1 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S1801-860441PC1-2-9T011-14-16-1- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | UPSET SCREW PIN ANCHOR SHACKLE | | BEARING TYPE | PLAIN | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.625 INCHES NOMINAL | | LOAD RATING | 7050.0 POUNDS MAXIMUM | | MATERIAL | COPPER ALLOY BEARING | | MATERIAL | STEEL CENTER PIN | | MATERIAL | STEEL SHEAVE | | MATERIAL | STEEL SHELL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.000 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY ELP NUMBER SIZE 8 IN.,RIG N0 2 | | SHELL LENGTH | 8.000 INCHES NOMINAL | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 5.500 INCHES NOMINAL | | SHEAVE QUANTITY | 3 | | STYLE DESIGNATOR | OVAL PATTERN | | SURFACE TREATMENT | ZINC OVERALL | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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