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National Stock Number:
3940-00-222-8457
Federal Supply Class:
3940
National Item Identification Number:
002228457
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:
| S1801-860395PC1-3T07-9T016-19-3- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| EXTRA LONG REFERENCE NUMBER | S1801-860395PC1-3T07-9T016-19-3-? | | SURFACE TREATMENT AND LOCATION | GALVANIZED SHEAVE AND WOOD SHELL | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE SHELL LENGTH REQUIREMENT/EXTRA LONG REFERENCE NUMBER | | SHEAVE QUANTITY | 1 | | SHEAVE OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | BECKET TYPE | THIMBLE | | BEARING TYPE | ROLLER | | ATTACHMENT STYLE | FRONT EYE ROUND LOOSE HOOK | | BLOCK TYPE | REGULAR | | TACKLE LOCKING DEVICE | NOT INCLUDED | | CENTER PIN DIAMETER | 0.562 INCHES NOMINAL | | STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 7.000 INCHES NOMINAL | | BECKET QUANTITY | 1 | | MATERIAL AND LOCATION | STEEL BEARING AND STEEL SHEAVE AND STEEL CENTER PIN AND WOOD SHELL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.812 INCHES | | ANTITOPPLING DEVICE | NOT INCLUDED | | MAXIMUM LOAD RATING | 2950.0 POUNDS |
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