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National Stock Number:
3940-00-376-1378
Federal Supply Class:
3940
National Item Identification Number:
003761378
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:
| 518092TYPEB | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE | | BLOCK TYPE | SNATCH | | CENTER PIN DIAMETER | 0.875 INCHES NOMINAL | | LOCKING STYLE | SAFETY LOCKING | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 4.062 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL AND LOCATION | | SHEAVE OUTSIDE DIAMETER | 3.500 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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