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National Stock Number:
3940-01-499-8729
Federal Supply Class:
3940
National Item Identification Number:
014998729
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:
| 108038 | 75535 | THE CROSBY GROUP LLC | | 12378672 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12378672-004 | 076M6 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 12378672-004 | 0FW39 | BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP | | 12378672-004 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 8026046 | 75535 | THE CROSBY GROUP LLC | | M8026046 | 75535 | THE CROSBY GROUP LLC |
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Techincal Specification:
| STYLE DESIGNATOR | PULLEY PATTERN | | SHELL LENGTH | 5.490 INCHES MINIMUM AND | | 6.250 INCHES MAXIMUM | | SHEAVE OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | BLOCK TYPE | SNATCH | | LOCKING STYLE | DROP LINK | | MATERIAL AND LOCATION | BRONZE BEARING AND | | STEEL OVERALL | | SHEAVE QUANTITY | 1 | | BEARING TYPE | PLAIN | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.375 MILLIMETERS | | TACKLE LOCKING DEVICE | NOT INCLUDED | | ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | FLATTED LOOSE SWIVEL SAFETY SNAP HOOK | | MAXIMUM LOAD RATING | 5000.0 POUNDS | | SPECIAL FEATURES | NHA: 12486596 AND 12378420 // FORGED ALLOY HEAT TREATED HOOKS; FORGED STEEL SWIVEL TEES, YOKES; PRESSUE LUBE FITTINGS | | SUPPLEMENTARY FEATURES | SAFE WORKING LOAD: 2 TONS // PROOF TEST LOAD: 2.5 TONS // ULTIMATE STRENGTH LOAD: 4 TONS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SNATCH BLOCK |
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