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National Stock Number:
3940-01-016-3019
Federal Supply Class:
3940
National Item Identification Number:
010163019
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:
| 3141430-007-103 | 05699 | BRUNSWICK CORP DEFENSE DIV | | 3141430-007-103 | 99696 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.250 INCHES | | SHEAVE OUTSIDE DIAMETER | 5.630 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | HALF-STRAP PATTERN | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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