NSN 3040-00-421-4990

Part Details | WORM WHEEL GEARSHAFT

3040-00-421-4990 A gearshaft with a single complement of worm wheel gear teeth. For items with more than one complement of theeth, see GEARSHAFT (1), MULTIPLE GEARS.

Alternate Parts: 2523846, 2523846, 3040-00-421-4990, 00-421-4990, 3040004214990, 004214990

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30FEB 09, 197200-421-499060542 ( GEARSHAFT, WORM WHEEL )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-421-4990
Part Number Cage Code Manufacturer
252384644114BAE SYSTEMS LAND & ARMAMENTS L.P.
252384610001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 3040-00-421-4990
Characteristic Specifications
SHAFT MATERIAL STEEL
GEAR MATERIAL STEEL
TEETH QUANTITY14
TOOTH DIRECTION LEFT
FACE TYPE STRAIGHT
MATING THREAD LEAD QUANTITY1
PRESSURE ANGLE30.0000 DEGREES
HELIX ANGLE3.1683 DEGREES
GEAR OUTSIDE DIAMETER0.616 INCHES NOMINAL
DIAMETRAL PITCH30
FACE WIDTH1.594 INCHES NOMINAL
OVERALL LENGTH12.593 INCHES NOMINAL
SHAFT TYPE SHOULDERED
SHAFT LARGEST DIAMETER1.218 INCHES NOMINAL
GEAR LOCATION ON SHAFT OFF CENTER BETWEEN ENDS OF SHAFT
LONGER SHAFT SEGMENT LENGTH4.765 INCHES NOMINAL
SHAFT LENGTH10.999 INCHES NOMINAL
SHAFT END TYPE SPLINED INVOLUTE
SHAFT END SIZE1.542 INCHES