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National Stock Number:
3940-00-461-1539
Federal Supply Class:
3940
National Item Identification Number:
004611539
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:
| 4084HU | 71110 | BREWER-TITCHNER CORP SUB JOSLYN MFG AND SUPPLY CO | | MILB24141 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE AND SHACKLE | | BLOCK TYPE | SNATCH | | CENTER PIN DIAMETER | 1.500 INCHES NOMINAL | | LOCKING STYLE | SAFETY LOCKING | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.000 INCHES | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 18.000 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | OVAL PATTERN | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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