NSN 3940-00-071-0391

Part Details | TACKLE BLOCK

3940-00-071-0391 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: 4083H, 3940-00-071-0391, 00-071-0391, 3940000710391, 000710391

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-071-039106117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY LOCKING

OBLONG SWIVEL EYE AND SHACKLE

ROUND PATTERN

Cross Reference | NSN 3940-00-071-0391
Part Number Cage Code Manufacturer
4083H71110BREWER-TITCHNER CORPSUB JOSLYN MFG AND SUPPLY CO
Technical Data | NSN 3940-00-071-0391
Characteristic Specifications
STYLE DESIGNATOR ROUND PATTERN
SHEAVE OUTSIDE DIAMETER6.000 INCHES NOMINAL
CENTER PIN DIAMETER0.750 INCHES NOMINAL
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY LOCKING
SHEAVE QUANTITY1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD SELF-LUBRICATED
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.500 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE3 OBLONG SWIVEL EYE AND SHACKLE
MAXIMUM LOAD RATING3000.0 POUNDS