NSN 3020-00-542-4954

Part Details | SPUR ANTIBACKLASH GEAR

3020-00-542-4954 An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Alternate Parts: 9010900, 3020-00-542-4954, 00-542-4954, 3020005424954, 005424954

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-542-495426668 ( GEAR, ANTIBACKLASH, SPUR )
REFERENCE DRAWINGS & PICTURES

PROTRUDING HUB

Cross Reference | NSN 3020-00-542-4954
Part Number Cage Code Manufacturer
901090018876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 3020-00-542-4954
Characteristic Specifications
TEETH QUANTITY90
TOOTH FORM STANDARD
PRESSURE ANGLE14.5000 DEGREES
PRECISION CLASSIFICATIONS$W
BACKLASH DESIGNATION GRADE C
STYLE DESIGNATOR PROTRUDING HUB
PITCH DIAMETER1.8750 INCHES NOMINAL
NOMINAL OVERALL LENGTH0.406 INCHES
NOMINAL OUTSIDE DIAMETER1.914 INCHES
FACE NOMINAL WIDTH0.187 INCHES
SPECIAL FEATURESCOUNTERBORE SECOND END,0.703 IN. DIA; 0.188 IN. DEEP