NSN 3940-00-072-0351

Part Details | TACKLE BLOCK

3940-00-072-0351 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: 3074V6, 3074V-6, GGGB490, GGG-B-490, 3940-00-072-0351, 00-072-0351, 3940000720351, 000720351

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JUL 27, 196700-072-035106117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY LOCKING

PEAR SHAPED SWIVEL EYE

OVAL PATTERN

Cross Reference | NSN 3940-00-072-0351
Part Number Cage Code Manufacturer
3074V-680874COOPER INDUSTRIES INC
GGG-B-49081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 3940-00-072-0351
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH6.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER3.000 INCHES NOMINAL
CENTER PIN DIAMETER0.500 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 SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.750 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE2 PEAR SHAPED SWIVEL EYE
MAXIMUM LOAD RATING3000.0 POUNDS
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 1.125 IN.
NONDEFINITIVE SPEC/STD DATA3 TYPE