NSN 3940-00-051-8601

Part Details | TACKLE BLOCK

3940-00-051-8601 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, 1801860407PC135T079T01114, 1801-860407PC1-3-5T07-9T011-14, S1801860407PC135T079T01114, S1801-860407PC1-3-5T07-9T011-14, 3940-00-051-8601, 00-051-8601, 3940000518601, 000518601

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-051-860106117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

CHAIN SHACKLE

ROUND PATTERN

Cross Reference | NSN 3940-00-051-8601
Part Number Cage Code Manufacturer
GGG-B-49081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
1801-860407PC1-3-5T07-9T011-1480064NAVAL SHIP SYSTEMS COMMAND
S1801-860407PC1-3-5T07-9T011-1480064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-051-8601
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHELL LENGTH14.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER9.500 INCHES NOMINAL
CENTER PIN DIAMETER0.875 INCHES NOMINAL
BLOCK TYPE REGULAR
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 ACCOMMODATED1.750 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE CHAIN SHACKLE
MAXIMUM LOAD RATING9600.0 POUNDS
SPECIAL FEATURESSHEAVE THICKNESS AT RIM MIN 1.875 IN.
NONDEFINITIVE SPEC/STD DATA2 TYPE