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National Stock Number:
3940-00-909-1332
Federal Supply Class:
3940
National Item Identification Number:
009091332
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:
| 114E5131-1 | 77272 | THE BOEING COMPANY | | 114E5131-1 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED STIFF SWIVEL SAFETY SNAP HOOK | | BEARING TYPE | BALL | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.499 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY SHEAVE | | MATERIAL | STEEL CORROSION RESISTING BEARING | | MATERIAL | STEEL CORROSION RESISTING CENTER PIN | | MATERIAL | STEEL SHELL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.250 INCHES | | SHEAVE OUTSIDE DIAMETER | 4.130 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | HALF-STRAP PATTERN | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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