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National Stock Number:
3940-00-264-4764
Federal Supply Class:
3940
National Item Identification Number:
002644764
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:
| 770379 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 776672 | 75535 | THE CROSBY GROUP LLC | | S1801-770379PC1T010-14T016-18 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S1801-770379PC1T010-14T017 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S1801-770379PC1TO10-14TO16-18-3- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | HOISTER PATTERN | | SHEAVE OUTSIDE DIAMETER | 18.000 INCHES NOMINAL | | CENTER PIN DIAMETER | 2.250 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | STEEL OVERALL | | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | | 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 | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE | | MAXIMUM LOAD RATING | 15000.0 POUNDS | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY SHEAVE QUANTITY, ATTACHMENT STYLE, AND EXTRA LONG REFERENCE NUMBER | | EXTRA LONG REFERENCE NUMBER | S1801-770379PC1TO10-14TO16-18-33-34, 18 IN SHEAVE O.D., 2.25 IN CENTER PIN DIA | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80064 | | DESIGN CONTROL REFERENCE | S1801-770379PC1TO10-14TO16-18-3- |
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