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National Stock Number:
3940-00-414-6533
Federal Supply Class:
3940
National Item Identification Number:
004146533
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:
| 10876250 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 3940004146533 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| STYLE DESIGNATOR | OVAL PATTERN | | SHELL LENGTH | 17.812 INCHES NOMINAL | | SHEAVE OUTSIDE DIAMETER | 8.000 INCHES NOMINAL | | CENTER PIN DIAMETER | 1.500 INCHES NOMINAL | | BLOCK TYPE | REGULAR | | MATERIAL AND LOCATION | BRONZE, MIL-B-13501, COMP B BEARING | | BRONZE, MIL-B-5687, TYPE 1, COMP A BEARING | | BRONZE BEARING | | STEEL, QQ-S-624, COMP 8620H-CANCELED CENTER PIN | | STEEL, FED STD 66, AISI/SAE 8620H CENTER PIN | | SURFACE TREATMENT AND LOCATION | PAINT, PRIMER, TT-P-636 OVERALL | | SHEAVE QUANTITY | 1 | | BEARING TYPE | PLAIN | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.187 INCHES | | TACKLE LOCKING DEVICE | NOT INCLUDED | | BECKET TYPE | THIMBLE | | BECKET QUANTITY | 1 | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED STIFF SWIVEL HOOK |
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