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National Stock Number:
3940-01-582-3159
Federal Supply Class:
3940
National Item Identification Number:
015823159
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:
| 23176501 | 0141B | NAVANTIA, S.A., S.M.E. | | 702207 | 75535 | THE CROSBY GROUP LLC | | T-385-BG-12 | 75535 | THE CROSBY GROUP LLC |
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Techincal Specification:
| SPECIAL FEATURES | BRONZE BUSHED; NEW STYLE BLOCKS FEATURE HIGHER WORKING LOAD LIMITS; PAINTED OR GALVANIZED STEEL WITH REPLACEABLE WOOD BUMPERS; LASER CUT SIDE PLATE OPENS FOR INSERTION OF WIRE ROPE; INCORPORATES EXCLUSIVE BOLT RETAINING SPRINT TO ASSURE NO LOST BOLTS, PLUS UTILIZES SECONDARY RETAINING PIN; BRONZED BUSHED SHEAVES WITH LARGER BEARING DIAMETER FOR EXTENDED BLOCK LIFE; UTILIZES CROSBY N SYLE HOOKS WITH INTEGRATED LATCH; LUBRICATED CENTER PIN; 10 INCH AND 12 INCH SIZES UTILIZE STEEL SHEAVES ; BLOCK SIZE-12 INCH |
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