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National Stock Number:
3940-00-368-2891
Federal Supply Class:
3940
National Item Identification Number:
003682891
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:
| 4083P | 71110 | BREWER-TITCHNER CORP SUB JOSLYN MFG AND SUPPLY CO | | 4114 | 81990 | SHERMAN + REILLY, INC. | | 439B | 76257 | CROSBY GROUP INC THE MCKISSICK PLANT DIV | | S8101-1008936 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE | | BEARING TYPE | PLAIN | | BLOCK TYPE | SNATCH | | CENTER PIN DIAMETER | 0.750 INCHES NOMINAL | | LOCKING STYLE | DROP LINK | | MATERIAL | COPPER ALLOY BEARING | | MATERIAL | STEEL CENTER PIN | | MATERIAL | STEEL SHEAVE | | MATERIAL | STEEL SHELL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 6.000 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | OVAL PATTERN | | SURFACE TREATMENT | ZINC OVERALL | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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