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National Stock Number:
3940-00-276-7500
Federal Supply Class:
3940
National Item Identification Number:
002767500
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:
| 805-2453185PC1-2-5-7T09-11T013-- | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 805-2453185TYPEXX | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 20.500 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 12.000 INCHES NOMINAL | | CENTER PIN DIAMETER | 1.750 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | SURFACE TREATMENT AND LOCATION | SILICONE ZINC OR SILICATE PHOSPHATE MIL-P-23236 TYPE 1 CL3 OVERALL | | SHEAVE QUANTITY | 4 | | BEARING TYPE | PLAIN | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.625 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | BECKET TYPE | CLOSED SOCKET | | BECKET QUANTITY | 1 | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | CLEWLINE EYE |
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