NSN 3940-00-227-5570

Part Details | TACKLE BLOCK


3940-00-227-5570 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: GGGB00490, 3940-00-227-5570, 00-227-5570, 3940002275570, 002275570

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-227-557006117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OBLONG SWIVEL EYE

OVAL PATTERN


Cross Reference | NSN 3940-00-227-5570
Part Number Cage Code Manufacturer
GGGB0049081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES

Technical Data | NSN 3940-00-227-5570
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH12.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER8.000 INCHES NOMINAL
CENTER PIN DIAMETER0.750 INCHES NOMINAL
BLOCK TYPE REGULAR
SURFACE TREATMENT AND LOCATION VARNISH OVERALL
SHEAVE QUANTITY2
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED1.500 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE6 OBLONG SWIVEL EYE
MAXIMUM LOAD RATING10600.0 POUNDS