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National Stock Number:
3940-00-368-7553
Federal Supply Class:
3940
National Item Identification Number:
003687553
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:
| S8101D1369461 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CENTER PIN DIAMETER | 1.250 INCHES NOMINAL | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.875 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 11.000 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | HALF-STRAP PATTERN | | TACKLE ACCOMMODATED TYPE | WIRE ROPE |
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