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National Stock Number:
3940-00-950-2955
Federal Supply Class:
3940
National Item Identification Number:
009502955
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:
| 62619-02X01PC49 | 96169 | ELECTRIC BOAT CORPORATION | | A-A-59808 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | AA59808-31E | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGG-B-490 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED LOOSE SWIVEL EYE WITH SWIVEL HOOK | | BECKET TYPE | THIMBLE | | BECKET QUANTITY | 1 | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 0.500 INCHES NOMINAL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.750 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 3.500 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | SHELL LENGTH | 6.000 INCHES NOMINAL | | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.000 IN. | | STYLE DESIGNATOR | ROUND PATTERN | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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