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National Stock Number:
3940-01-396-8922
Federal Supply Class:
3940
National Item Identification Number:
013968922
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:
| 6695841 PIECE 13 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | ROUND PATTERN | | SHEAVE OUTSIDE DIAMETER | 18.000 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | STEEL SHEAVE | | SHEAVE QUANTITY | 1 | | BEARING TYPE | ROLLER | | SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.750 INCHES |
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