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National Stock Number:
3940-01-387-9220
Federal Supply Class:
3940
National Item Identification Number:
013879220
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:
| 25039 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS | | 25039-1 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 3151T14 | 39428 | MCMASTER-CARR SUPPLY CO | | 25039-1 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS | | 25039-1 | 92878 | HDT EXPEDITIONARY SYSTEMS INC |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 4.000 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 2.250 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.360 INCHES MINIMUM | | BLOCK TYPE | SNATCH | | LOCKING STYLE | DROP LINK | | MATERIAL AND LOCATION | STEEL SHELL AND | | IRON SHEAVE | | SHEAVE QUANTITY | 1 | | BEARING TYPE | PLAIN | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FRONT EYE FLATTED LOOSE HOOK | | MAXIMUM LOAD RATING | 900.0 POUNDS |
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