NSN 3940-00-072-0368

Part Details | TACKLE BLOCK

3940-00-072-0368 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: GGGB490, GGG-B-490, 3940-00-072-0368, 00-072-0368, 3940000720368, 000720368

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JUL 27, 196700-072-036806117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

PEAR SHAPED SWIVEL EYE

ROUND PATTERN

Cross Reference | NSN 3940-00-072-0368
Part Number Cage Code Manufacturer
GGG-B-49081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 3940-00-072-0368
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHELL LENGTH4.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER2.250 INCHES NOMINAL
CENTER PIN DIAMETER0.375 INCHES NOMINAL
BLOCK TYPE REGULAR
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY3
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.500 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE PEAR SHAPED SWIVEL EYE
MAXIMUM LOAD RATING2000.0 POUNDS
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 0.625 IN.
NONDEFINITIVE SPEC/STD DATA2 TYPE