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National Stock Number:
3940-00-926-1079
Federal Supply Class:
3940
National Item Identification Number:
009261079
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:
| GGG-B-490 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGGB490STYLE-3R 0UNDTY2 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | GGGB490STYLE-3R0UNDTY2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGGB490STYLE-3ROUNDTY2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| STYLE DESIGNATOR | ROUND PATTERN | | SHELL LENGTH | 10.000 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 6.250 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.750 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | BRONZE BEARING | | STEEL CENTER PIN | | STEEL SHEAVE | | IRON SHELL AND | | STEEL SHELL | | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | | SHEAVE QUANTITY | 1 | | BEARING TYPE | PLAIN | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.250 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | BECKET TYPE | THIMBLE | | BECKET QUANTITY | 1 | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | CHAIN SHACKLE | | MAXIMUM LOAD RATING | 5000.0 POUNDS | | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.500 IN. | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-B-490 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGGB490STYLE-3ROUNDTY2 |
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