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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:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED STIFF SWIVEL HOOK | | BEARING TYPE | PLAIN | | BECKET QUANTITY | 1 | | BECKET TYPE | THIMBLE | | BLOCK TYPE | REGULAR | | CENTER PIN DIAMETER | 1.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 8620H ASSN STD SINGLE MATERIAL RESPONSE OR SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE CENTER PIN | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-13501, COMP B MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-B-5687, TYPE 1, COMP A MIL SPEC SINGLE MATERIAL RESPONSE BEARING | | MATERIAL | COPPER ALLOY 546-CANCELED AND COPPER ALLOY 841 AND COPPER ALLOY BEARING | | MATERIAL | STEEL AND STEEL COMP 8620H CENTER PIN | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.187 INCHES | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE QUANTITY | 1 | | SHEAVE OUTSIDE DIAMETER | 8.000 INCHES NOMINAL | | SHELL LENGTH | 17.812 INCHES NOMINAL | | STYLE DESIGNATOR | OVAL PATTERN | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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