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National Stock Number:
3940-01-485-6201
Federal Supply Class:
3940
National Item Identification Number:
014856201
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:
| 580-6641123-0489 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 580-6641123-ECHG-A90 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6921603-A90 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | TROLLEY PATTERN | | CENTER PIN DIAMETER | 1.503 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | METAL OVERALL | | SHEAVE QUANTITY | 1 | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 3.500 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | MAXIMUM LOAD RATING | 7800.0 POUNDS | | SPECIAL FEATURES | MATERIAL IS NICKEL-COPPER-ALUMINUM ALLOY; CALLED BLOCK SHEAVE |
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