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National Stock Number:
3940-01-518-0067
Federal Supply Class:
3940
National Item Identification Number:
015180067
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:
| 19675-1 | 07070 | NAVY, UNITED STATES DEPARTMENT OF THE DBA NAVAL SURFACE WARFARE CENTER PANAMA CITY |
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Techincal Specification:
| CENTER PIN DIAMETER | 0.6253 INCHES MINIMUM AND 0.6258 INCHES MAXIMUM | | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL | | SHEAVE QUANTITY | 1 | | SHEAVE OUTSIDE DIAMETER | 8.000 INCHES NOMINAL | | SPECIAL FEATURES | STREAM SHEAVE ASSEMBLY, HEAT TREATED, CHROME PLATED; (2) MOUNTS, (1) CENTER SHAFT | | STYLE DESIGNATOR | HALF-STRAP PATTERN |
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