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National Stock Number:
3940-00-938-1708
Federal Supply Class:
3940
National Item Identification Number:
009381708
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:
| 114E6058-23 | 65273 | COMPTECH | | 114E6058-23 | 77272 | THE BOEING COMPANY | | 114E6058-23 | 92890 | ALL-STEEL FABRICATORS CO. INC. |
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Techincal Specification:
| ANTITOPPLING DEVICE | INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE | | BECKET TYPE | SWIVEL EYE AND THIMBLE | | BECKET QUANTITY | 1 | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.570 INCHES MINIMUM AND 0.561 INCHES MAXIMUM | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.062 INCHES | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 4.120 INCHES MINIMUM AND 4.130 INCHES MAXIMUM | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | HALF-OVAL PATTERN | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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