NSN 3940-00-376-1378

Part Details | TACKLE BLOCK

3940-00-376-1378 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: 518092TYPEB, 3940-00-376-1378, 00-376-1378, 3940003761378, 003761378

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-376-137806117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY LOCKING

OBLONG SWIVEL EYE

Cross Reference | NSN 3940-00-376-1378
Part Number Cage Code Manufacturer
518092TYPEB80064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3940-00-376-1378
Characteristic Specifications
SHEAVE OUTSIDE DIAMETER3.500 INCHES NOMINAL
CENTER PIN DIAMETER0.875 INCHES NOMINAL
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY LOCKING
SHEAVE QUANTITY1
BEARING TYPE ROLLER
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED4.062 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE OBLONG SWIVEL EYE
MAXIMUM LOAD RATING10000.0 POUNDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL AND LOCATION