NSN 3940-01-446-6649

Part Details | TACKLE BLOCK

3940-01-446-6649 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: 301B, 301-B, 1764AS2961, 1764AS296-1, 3940-01-446-6649, 01-446-6649, 3940014466649, 014466649

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39JUL 11, 199701-446-664906117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

SAFETY LOCKING

OBLONG SWIVEL EYE

OVAL PATTERN

Cross Reference | NSN 3940-01-446-6649
Part Number Cage Code Manufacturer
301-B06164ALL STAINLESS, INC.
1764AS296-130003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
Technical Data | NSN 3940-01-446-6649
Characteristic Specifications
STYLE DESIGNATOR9 OVAL PATTERN
SHELL LENGTH2.000 INCHES NOMINAL
SHEAVE OUTSIDE DIAMETER1.120 INCHES NOMINAL
BLOCK TYPE SNATCH
LOCKING STYLE SAFETY LOCKING
MATERIAL AND LOCATION STEEL OVERALL
SHEAVE QUANTITY1
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.312 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE OBLONG SWIVEL EYE
SPECIAL FEATURESSTAINLESS STEEL