BLOCK,TACKLE
P/N 11631700
NSN 3940-00-111-6693

MFG U S ARMY TANK AUTOMOTIVE COMMAND
NEW GOV SURPLUS
SUPPLIER CAGE 03EF7

DEFINITION: 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, AND THE LIKE, BY WHICH IT MAY BE ATTACHED TO AN OBJECT. IT IS USED TO CHANGE DIRECTION OF RUNNING ROPE AND\OR TO GAIN A MECHANICAL ADVANTAGE.