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National Stock Number:
3940-01-228-9612
Federal Supply Class:
3940
National Item Identification Number:
012289612
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:
| 404 4 TON | 76257 | CROSBY GROUP INC THE MCKISSICK PLANT DIV | | 4788614-0180 | 96169 | ELECTRIC BOAT CORPORATION | | 850-0342 | 13913 | WESTERN RESERVE ELECTRONICS INC | | 521-478864 ITEM 180 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87917-9901 ITEM 180 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | BLOCK TYPE | SNATCH | | CENTER PIN DIAMETER | 0.750 INCHES NOMINAL | | MAXIMUM LOAD RATING | 4000.0 POUNDS | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | ALSO FURNISHED WITH 1.000 IN. DIA PIN | | SHEAVE OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | SHELL LENGTH | 7.510 INCHES NOMINAL | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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