NSN 3940-00-264-4745

Part Details | TACKLE BLOCK

3940-00-264-4745 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: S1801770369PC13T020, S1801-770369PC1-3T020, 3940-00-264-4745, 00-264-4745, 3940002644745, 002644745

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-264-474506117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

DIAMOND PATTERN

BLOCK,TACKLE | 3940-00-264-4745, 002644745
Cross Reference | NSN 3940-00-264-4745
Part Number Cage Code Manufacturer
S1801-770369PC1-3T02080064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-264-4745
Characteristic Specifications
STYLE DESIGNATOR DIAMOND PATTERN
SHEAVE OUTSIDE DIAMETER18.000 INCHES NOMINAL
CENTER PIN DIAMETER1.997 INCHES NOMINAL
BLOCK TYPE REGULAR
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY3
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD PRESSURE GREASE FITTING
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.750 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SHEAVE QUANTITY AND BY MAXIMUM TACKLE DIAMETER ACCOMMODATED