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National Stock Number:
3815-00-554-0126
Federal Supply Class:
3815
National Item Identification Number:
005540126
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:
| 13217E6261 | 97403 | CECOM LR CENTER | | D10706-15A | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY | | MILB52203 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BASE LENGTH | 28.750 INCHES NOMINAL | | BASE WIDTH | 15.000 INCHES NOMINAL | | BEARING TYPE | SLEEVE | | CABLE OPENING DIAMETER | 1.000 INCHES NOMINAL | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY PARAGRAPH 3.5 FAIRLEAD | | DESIGN TYPE | RIGID | | LINE QUANTITY ACCOMMODATED | 1 | | MATERIAL | COPPER ALLOY SLEEVE | | MATERIAL | STEEL FRAME | | MATERIAL | STEEL ROLLER | | MOUNTING HOLE QUANTITY | 8 | | MOUNTING HOLE DIAMETER | 1.062 INCHES NOMINAL | | OVERALL HEIGHT | 22.562 INCHES NOMINAL | | SPECIAL FEATURES | ANTIFRICTION BEARING TYPE,ROLLER BEARING TYPE | | ROLLER MOUNTING POSITION | VERTICAL | | ROLLER OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | ROLLER QUANTITY | 2 | | SHEAVE MOUNTING POSITION | VERTICAL | | SHEAVE OUTSIDE DIAMETER | 12.995 INCHES NOMINAL | | SHEAVE QUANTITY | 2 | | USAGE DESIGN | GENERAL | | WIRE ROPE ACCOMMODATED DIAMETER | 0.750 INCHES |
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