NSN 3020-00-391-9521

Part Details | HELICAL GEAR

3020-00-391-9521 A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also GEAR, ANTIBACKLASH, HELICAL:

Alternate Parts: WUC188, 7768014, GB45A, 3020-00-391-9521, 00-391-9521, 3020003919521, 003919521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-391-952105464 ( GEAR, HELICAL )
REFERENCE DRAWINGS & PICTURES

WEBBED, WITH LIGHTENING HOLES

HUBLESS

Cross Reference | NSN 3020-00-391-9521
Part Number Cage Code Manufacturer
WUC18853496SCHRAMM, INC.
776801419207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
GB45A66289WISCONSIN MOTORS LLC
Technical Data | NSN 3020-00-391-9521
Characteristic Specifications
TEETH QUANTITY48
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE20.0000 DEGREES
HELIX ANGLE18.7667 DEGREES
STYLE DESIGNATOR5 HUBLESS
PITCH DIAMETER5.0690 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER5.267 INCHES
FACE NOMINAL WIDTH0.750 INCHES
BODY STYLE WEBBED, WITH LIGHTENING HOLES
ATTACHMENT METHOD MOUNTING HOLE
SPECIAL FEATURESDRILL POINT TIMING MARK LOCATED ON SIDE OF GEAR FACE ON CENTER LINE OF TOOTH SPACE 11 SPACES CCW FROM UPPER VERTICAL CENTER LINE