NSN 3940-00-071-0387

Part Details | TACKLE BLOCK

3940-00-071-0387 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: 3043A, 3940-00-071-0387, 00-071-0387, 3940000710387, 000710387

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JAN 01, 196300-071-038706117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

PEAR SHAPED SWIVEL EYE

OVAL PATTERN

Cross Reference | NSN 3940-00-071-0387
Part Number Cage Code Manufacturer
3043A71110BREWER-TITCHNER CORPSUB JOSLYN MFG AND SUPPLY CO
Technical Data | NSN 3940-00-071-0387
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH6.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER3.500 INCHES NOMINAL
CENTER PIN DIAMETER0.500 INCHES NOMINAL
BLOCK TYPE REGULAR
SURFACE TREATMENT AND LOCATION ZINC, ELECTROLYTIC OVERALL
SHEAVE QUANTITY3
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
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE0 PEAR SHAPED SWIVEL EYE
MAXIMUM LOAD RATING2500.0 POUNDS