NSN 3020-00-446-9989

Part Details | HELICAL GEAR

3020-00-446-9989 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: 838740041, 838-740-041, 838739041AND838740041, 838-739-041AND838-740-041, 838739041, 838-739-041, 2R602PC27, 838739041 AND 838740041, 838-739-041 AND 838-740-041, 3020-00-446-9989, 00-446-9989, 3020004469989, 004469989

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-446-998905464 ( GEAR, HELICAL )
REFERENCE DRAWINGS & PICTURES

WEBBED, OFFSET, WITH LIGHTENING HOLES

HUBLESS, RECESSED BODY

Cross Reference | NSN 3020-00-446-9989
Part Number Cage Code Manufacturer
838-740-04151729DRESSER, INC.DBA DRESSER ROOTS BLOWERS &
838-739-041AND838-740-04151729DRESSER, INC.DBA DRESSER ROOTS BLOWERS &
838-739-04151729DRESSER, INC.DBA DRESSER ROOTS BLOWERS &
2R602PC2751729DRESSER, INC.DBA DRESSER ROOTS BLOWERS &
838-739-041 AND 838-740-0410DFD9SIEMENS GOVERNMENT TECHNOLOGIES,INC.
Technical Data | NSN 3020-00-446-9989
Characteristic Specifications
TEETH QUANTITY64
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
PRESSURE ANGLE20.0000 DEGREES
HELIX ANGLE23.9000 DEGREES
STYLE DESIGNATOR HUBLESS, RECESSED BODY
PITCH DIAMETER7.0000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER7.200 INCHES
FACE NOMINAL WIDTH1.750 INCHES
BODY STYLE WEBBED, OFFSET, WITH LIGHTENING HOLES
ATTACHMENT METHOD MOUNTING HOLE