NSN 3940-01-491-4186

Part Details | TACKLE BLOCK

3940-01-491-4186 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: 5816726673 AY99, 581-6726673 AY99, 14923474, 5816726673AY9 9, 581-6726673-AY9 9, 3940-01-491-4186, 01-491-4186, 3940014914186, 014914186

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39OCT 22, 200101-491-418606117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

HALF-OVAL PATTERN

Cross Reference | NSN 3940-01-491-4186
Part Number Cage Code Manufacturer
581-6726673 AY9953711NAVAL SEA SYSTEMS COMMAND
1492347453711NAVAL SEA SYSTEMS COMMAND
581-6726673-AY9 9D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 3940-01-491-4186
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 FWD STATIONARY SHEAVE ASSEMBLY
END ITEM IDENTIFICATIONVALVE, CONTROL; LOS ANGELES CLASS SSN (688)