NSN 3940-00-189-3551

Part Details | TACKLE BLOCK

3940-00-189-3551 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: S1801860448PC18111416272, S1801-860448PC1-8-11-14-16-27-2-, 3940-00-189-3551, 00-189-3551, 3940001893551, 001893551

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-189-355106117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OVAL PATTERN

BLOCK,TACKLE | 3940-00-189-3551, 001893551
Cross Reference | NSN 3940-00-189-3551
Part Number Cage Code Manufacturer
S1801-860448PC1-8-11-14-16-27-2-80064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-189-3551
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH14.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER9.000 INCHES NOMINAL
CENTER PIN DIAMETER1.125 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL OVERALL
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.625 INCHES
MAXIMUM LOAD RATING7100.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELP NO.,SIZE 14 IN.,RIN NO. 4