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		                             National Stock Number: 3940-01-018-5440
  Federal Supply Class: 3940
  National Item Identification Number: 010185440
  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:
 | 3141430-014-104 | 99696 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS |   
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