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National Stock Number:
3940-00-111-6693
Federal Supply Class:
3940
National Item Identification Number:
001116693
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:
| 11631700 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| STYLE DESIGNATOR | STRAP AND PLATE PATTERN | | SHEAVE OUTSIDE DIAMETER | 6.000 INCHES NOMINAL | | CENTER PIN DIAMETER | 1.252 INCHES MINIMUM AND | | 1.254 INCHES MAXIMUM | | BLOCK TYPE | SNATCH | | LOCKING STYLE | SAFETY LOCKING | | MATERIAL AND LOCATION | BRONZE BEARING AND | | STEEL CENTER PIN AND | | STEEL, QQ-S-681 SHEAVE AND | | STEEL SHELL | | SURFACE TREATMENT AND LOCATION | ENAMEL OVERALL | | SHEAVE QUANTITY | 1 | | BEARING TYPE | PLAIN | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.531 INCHES | | TACKLE LOCKING DEVICE | INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED STIFF SWIVEL HOOK | | MAXIMUM LOAD RATING | 10000.0 POUNDS |
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