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National Stock Number:
3815-01-443-6552
Federal Supply Class:
3815
National Item Identification Number:
014436552
Description:
FAIRLEAD,ROLLER AND SHEAVE
Detail:
AN ITEM CONSISTING OF A FRAMEWORK WITH ROLLERS (EXCLUDE FLANGED) AND SHEAVES SO ARRANGED AS TO PROVIDE SPACE BETWEEN THE ROLLERS THROUGH WHICH THE LINES FROM THE SHEAVES ARE PASSED. IT IS USUALLY USED ON HEAVY CONSTRUCTION EQUIPMENT, SUCH AS CRANE-SHOVELS, PILE DRIVERS, LOGGING ARCHES AND THE LIKE, ON PONTOON BARGES, THE ROLLERS PROVIDING EXTRA PROTECTION FROM CHAFING WHEN OBLIQUE PULL MAY OCCUR, AND SHEAVES ACT AS A GUIDE FOR LINES.
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Manufacturer Information:
| 6665642 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BASE LENGTH | 12.250 INCHES NOMINAL | | BEARING TYPE | ROLLER | | BASE WIDTH | 3.250 INCHES NOMINAL | | CABLE OPENING DIAMETER | 0.750 INCHES NOMINAL | | DESIGN TYPE | TRACK-RIDING | | LINE QUANTITY ACCOMMODATED | 1 | | MATERIAL | STEEL FRAME | | MATERIAL | STEEL ROLLER | | OVERALL HEIGHT | 19.500 INCHES NOMINAL | | ROLLER OUTSIDE DIAMETER | 3.500 INCHES NOMINAL | | ROLLER MOUNTING POSITION | ANY ACCEPTABLE | | ROLLER QUANTITY | 1 | | SHEAVE OUTSIDE DIAMETER | 12.250 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | USAGE DESIGN | GENERAL | | WIRE ROPE ACCOMMODATED DIAMETER | 0.625 INCHES |
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