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National Stock Number:
3940-01-026-0056
Federal Supply Class:
3940
National Item Identification Number:
010260056
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:
| 613 | 79257 | WESSELS D D AND SONS CO |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 1.500 INCHES NOMINAL | | MATERIAL AND LOCATION | STEEL OVERALL | | MAXIMUM LOAD RATING | 25000.0 POUNDS | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.750 INCHES | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 6.000 INCHES NOMINAL | | SHEAVE QUANTITY | 3 | | SHELL LENGTH | 6.000 INCHES NOMINAL |
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