NSN 3940-00-151-6770

Part Details | TACKLE BLOCK

3940-00-151-6770 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: 116478402, 11647840-2, 3940-00-151-6770, 00-151-6770, 3940001516770, 001516770

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39OCT 20, 197100-151-677006117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY W/LATCH PIN

OBLONG SWIVEL EYE AND SHACKLE

OVAL PATTERN

Cross Reference | NSN 3940-00-151-6770
Part Number Cage Code Manufacturer
11647840-219207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 3940-00-151-6770
Characteristic Specifications
STYLE DESIGNATOR0 OVAL PATTERN
SHELL LENGTH11.940 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER8.000 INCHES NOMINAL
CENTER PIN DIAMETER1.495 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY W/LATCH PIN
SURFACE TREATMENT AND LOCATION ENAMEL, OLIVE DRAB, TT-E-529 OVERALL
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD PRESSURE GREASE FITTING
TACKLE LOCKING DEVICE INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE7 OBLONG SWIVEL EYE AND SHACKLE
SPECIAL FEATURESSHEAVE ASSY,11676929 IS ATTACHED TO SHEAVE MOUNT 11647871,BY PIN 11647875