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National Stock Number:
3940-01-420-0176
Federal Supply Class:
3940
National Item Identification Number:
014200176
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:
| 3099T53 | 39428 | MCMASTER-CARR SUPPLY CO | | 3724T77 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| BLOCK TYPE | REGULAR | | COATING METHOD | PLATED OVERALL | | LOAD RATING | 550.0 POUNDS MAXIMUM | | MATERIAL | PLASTIC OVERALL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.375 INCHES | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 2.500 INCHES NOMINAL | | STYLE DESIGNATOR | OVAL PATTERN | | SURFACE TREATMENT | ZINC OVERALL | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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