NSN 3940-00-239-8778

Part Details | TACKLE BLOCK

3940-00-239-8778 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: GGB500, GG-B-500, 3940-00-239-8778, 00-239-8778, 3940002398778, 002398778

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196000-239-877806117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

PEAR SHAPED SWIVEL EYE

BLOCK,TACKLE | 3940-00-239-8778, 002398778

DIAMOND PATTERN

BLOCK,TACKLE | 3940-00-239-8778, 002398778
Cross Reference | NSN 3940-00-239-8778
Part Number Cage Code Manufacturer
GG-B-50081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 3940-00-239-8778
Characteristic Specifications
STYLE DESIGNATOR DIAMOND PATTERN
SHEAVE OUTSIDE DIAMETER10.000 INCHES NOMINAL
BLOCK TYPE REGULAR
SHEAVE QUANTITY2
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.625 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE2 PEAR SHAPED SWIVEL EYE
MAXIMUM LOAD RATING600.0 POUNDS
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A GRADE AND 2 STYLE