NSN 3940-01-489-1464

Part Details | TACKLE BLOCK

3940-01-489-1464 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: 5816726890AY98, 581-6726890-AY98, 14901338, 6726890, 3940-01-489-1464, 01-489-1464, 3940014891464, 014891464

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39SEP 13, 200101-489-146406117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OVAL PATTERN

Cross Reference | NSN 3940-01-489-1464
Part Number Cage Code Manufacturer
581-6726890-AY9853711NAVAL SEA SYSTEMS COMMAND
1490133853711NAVAL SEA SYSTEMS COMMAND
672689053711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3940-01-489-1464
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH61.750 INCHES NOMINAL
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL OVERALL
SHEAVE QUANTITY2
FUNCTIONAL DESCRIPTIONAFT COMPLIANT SHEAVE ASSY
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)