NSN 3940-00-264-4770

Part Details | TACKLE BLOCK

3940-00-264-4770 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: 169356, S1801770377PC1T0121416T022, S1801-770377PC1T012-14-16T022, 3940-00-264-4770, 00-264-4770, 3940002644770, 002644770

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-264-477006117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY LOCKING

OBLONG SWIVEL EYE

ROUND PATTERN

Cross Reference | NSN 3940-00-264-4770
Part Number Cage Code Manufacturer
16935675535CROSBY GROUP INCDBA NATIONAL SWAGE
S1801-770377PC1T012-14-16T02280064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-264-4770
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHEAVE OUTSIDE DIAMETER14.000 INCHES NOMINAL
CENTER PIN DIAMETER1.125 INCHES NOMINAL
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY LOCKING
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD PRESSURE GREASE FITTING
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.625 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE OBLONG SWIVEL EYE
MAXIMUM LOAD RATING10280.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MAXIMUM TACKLE DIAMETER ACCOMMODATED AND BY ATTACHMENT STYL
EXTRA LONG REFERENCE NUMBERS1801-770377PC1TO12-14-16TO22-25TO29