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National Stock Number:
3940-00-295-0495
Federal Supply Class:
3940
National Item Identification Number:
002950495
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:
| 2624746 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SB1023 | 76257 | CROSBY GROUP INC THE MCKISSICK PLANT DIV |
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Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FRONT EYE FLATTED LOOSE HOOK | | BEARING TYPE | PLAIN | | BLOCK TYPE | SNATCH | | LOAD RATING | 97000.0 POUNDS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.750 INCHES | | SHEAVE OUTSIDE DIAMETER | 8.125 INCHES MAXIMUM | | SHEAVE QUANTITY | 1 | | SHEAVE OUTSIDE DIAMETER | 7.875 INCHES MINIMUM | | SHELL LENGTH | 11.875 INCHES MAXIMUM | | SHELL LENGTH | 11.625 INCHES MINIMUM | | STYLE DESIGNATOR | OVAL PATTERN | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CLASS F,TYPE 1 PER DWG 80064/2584542 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ENAMEL OVERALL | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
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