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National Stock Number:
3940-00-892-4556
Federal Supply Class:
3940
National Item Identification Number:
008924556
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:
| A-A-59809 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | AA59809-6B | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | P-391-B-10IN | 75535 | THE CROSBY GROUP LLC | | P-391-B-GLV10IN | 75535 | THE CROSBY GROUP LLC | | GGG-B-490 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MIL-B-2422 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 10.000 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 5.750 INCHES NOMINAL | | CENTER PIN DIAMETER | 0.759 INCHES NOMINAL | | BLOCK TYPE | SNATCH | | LOCKING STYLE | SAFETY LOCKING | | MATERIAL AND LOCATION | BRONZE BEARING | | STEEL CENTER PIN | | IRON SHEAVE AND | | 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 | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | DRILLED SWIVEL EYE AND SHACKLE | | MAXIMUM LOAD RATING | 8000.0 POUNDS | | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.875 IN. | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 58536 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AA59809-6B | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-B-490 |
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