NSN 3940-00-189-3490

Part Details | TACKLE BLOCK

3940-00-189-3490 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.

Alternate Parts: 4801Q, 4801-Q, 4801Q, 4801-Q, G954S, G-954-S, 51733812, 5173-3-8-1-2, 3940-00-189-3490, 00-189-3490, 3940001893490, 001893490

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-189-349006117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OVAL PATTERN

BLOCK,TACKLE | 3940-00-189-3490, 001893490
Cross Reference | NSN 3940-00-189-3490
Part Number Cage Code Manufacturer
4801-Q96508APEX TOOL GROUP
4801-Q65LN0APEX TOOL GROUP, LLC
G-954-S75535CROSBY GROUP INCDBA NATIONAL SWAGE
5173-3-8-1-276320MCMILLANS W H SONS
Technical Data | NSN 3940-00-189-3490
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHEAVE OUTSIDE DIAMETER6.000 INCHES NOMINAL
CENTER PIN DIAMETER0.750 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION BRONZE BEARING AND STEEL CENTER PIN AND STEEL SHEAVE AND IRON SHELL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM LOAD RATING4000.0 POUNDS