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National Stock Number:
3940-00-202-2179
Federal Supply Class:
3940
National Item Identification Number:
002022179
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:
| 368SIZE7AND251SIZE2 | 79577 | NORTH AND JUDD INC WILCOX-CRITTENDEN DIV |
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Techincal Specification:
| STYLE DESIGNATOR | HALYARD PATTERN | | SHELL LENGTH | 2.250 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 1.500 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.188 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | IRON BEARING | | STEEL CENTER PIN | | IRON SHEAVE | | IRON SHELL | | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | | SHEAVE QUANTITY | 1 | | BEARING TYPE | PLAIN | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.375 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED LOOSE SWIVEL SAFETY SNAP HOOK |
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