NSN 3940-00-189-3498

Part Details | TACKLE BLOCK

3940-00-189-3498 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: 860433, S1801860433PC19T014162428, S1801-860433PC1-9T014-16-24-28--, 3940-00-189-3498, 00-189-3498, 3940001893498, 001893498

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-189-349806117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OVAL PATTERN

BLOCK,TACKLE | 3940-00-189-3498, 001893498
Cross Reference | NSN 3940-00-189-3498
Part Number Cage Code Manufacturer
86043353711NAVAL SEA SYSTEMS COMMAND
S1801-860433PC1-9T014-16-24-28--80064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-189-3498
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH6.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER3.938 INCHES NOMINAL
CENTER PIN DIAMETER0.500 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL OVERALL
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPE ROLLER
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.750 INCHES
MAXIMUM LOAD RATING1700.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELP NO.,SIZE 6 IN.,RIG NO. 1