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National Stock Number:
3940-00-162-4201
Federal Supply Class:
3940
National Item Identification Number:
001624201
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:
| 11647841 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | BEARING TYPE | PLAIN | | BLOCK TYPE | SNATCH | | CENTER PIN DIAMETER | 1.495 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | LOCKING STYLE | SAFETY W/LATCH PIN | | SHELL LENGTH | 11.940 INCHES NOMINAL | | SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING | | SHEAVE QUANTITY | 1 | | SHEAVE OUTSIDE DIAMETER | 8.000 INCHES NOMINAL | | SPECIAL FEATURES | TRUNNION LOCATED AT ATTACHMENT END | | STYLE DESIGNATOR | PULLEY PATTERN | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE SHELL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-P-664 FED SPEC SINGLE TREATMENT RESPONSE SHEAVE | | SURFACE TREATMENT | PAINT SHELL | | SURFACE TREATMENT | PRIMER SHEAVE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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