NSN 3940-01-491-4209

Part Details | TACKLE BLOCK

3940-01-491-4209 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: 5816726673AY98, 581-6726673-AY98, 14923475, 6726673AY98, 6726673-AY98, 3940-01-491-4209, 01-491-4209, 3940014914209, 014914209

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39OCT 22, 200101-491-420906117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

HALF-OVAL PATTERN

Cross Reference | NSN 3940-01-491-4209
Part Number Cage Code Manufacturer
581-6726673-AY9853711NAVAL SEA SYSTEMS COMMAND
1492347553711NAVAL SEA SYSTEMS COMMAND
6726673-AY9853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3940-01-491-4209
Characteristic Specifications
STYLE DESIGNATOR HALF-OVAL PATTERN
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL, CORROSION RESISTING OVERALL
SHEAVE QUANTITY1
MAXIMUM LOAD RATING110000.0 POUNDS
SPECIAL FEATURESCALLED AFT AFT STATIONARY SHEAVE ASSEMBLY
END ITEM IDENTIFICATIONVALVE, CONTROL; LOS ANGELES CLASS SSN (688)