NSN 3940-01-390-3172

Part Details | TACKLE BLOCK

3940-01-390-3172 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: 724050, T385B 8IN., T-385-B 8IN., 3940-01-390-3172, 01-390-3172, 3940013903172, 013903172

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39MAY 16, 199401-390-317206117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3940-01-390-3172
Part Number Cage Code Manufacturer
72405075535CROSBY GROUP INCDBA NATIONAL SWAGE
T-385-B 8IN.75535CROSBY GROUP INCDBA NATIONAL SWAGE
Technical Data | NSN 3940-01-390-3172
Characteristic Specifications
SHEAVE OUTSIDE DIAMETER4.500 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION BRONZE BEARING AND WOOD SHELL
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE WIRE ROPE
SPECIAL FEATURESBLOCK SIZE 8.0 INCHES