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National Stock Number:
3940-00-297-2030
Federal Supply Class:
3940
National Item Identification Number:
002972030
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:
| C23Z61606 | 49956 | RAYTHEON COMPANY | | SMC185618 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | CHAIN SHACKLE | | BECKET TYPE | THIMBLE | | BECKET QUANTITY | 1 | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.312 INCHES NOMINAL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 2.250 INCHES NOMINAL | | SHEAVE QUANTITY | 2 | | SHELL LENGTH | 4.000 INCHES NOMINAL | | STYLE DESIGNATOR | OVAL PATTERN | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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