Model: 196439

Spur Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 3.0270 inches and 3.0370 inches
Teeth Quantity
43
Bore Style
W/counterbore counter bore, second end
Backlash Designation
Grade a
Hardness Rating
30.0 rockwell c hub and 40.0 rockwell c hub
Hardness Rating
81.0 rockwell c teeth and 85.0 rockwell c teeth
Hardness Rating
30.0 rockwell c and 40.0 rockwell c hub
Hardness Rating
81.0 rockwell c and 85.0 rockwell c teeth
Mounting Hole Type And Quantity
2 plain transversely through hub, first end
Outside Diameter
3.359 inches
Tooth Form
Standard
Pressure Angle
22.5000 degrees
Distance Between Body Face And Protruding Hub End
1.480 inches first end
Body Recess Depth
0.200 inches second end
Face Width
0.320 inches
Bore Diameter
0.310 inches counter bore, second end
Counterbore Depth
1.185 inches counter bore, second end
Counterbore Diameter
0.500 inches counter bore, second end
Hub Style Designator
2 steps first end
End Length
0.130 inches first end
Precision Classification
Quality number 8
End Diameter
0.500 inches first end
First Step Length
1.000 inches first end
First Step Diameter
0.669 inches first end
Second Step Length
0.490 inches first end
Second Step Diameter
0.810 inches first end
Mounting Hole Diameter
0.096 inches transversely through hub, first end
Material
Steel comp e9310
Material Specification
Ams6260 assn standard single material response
Style Designator
Protruding hub, recessed body
NSN
3020-00-038-1080
Part Number
196439
Description
Gear,spur
CAGE
77445

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part 196439 NSN 3020-00-038-1080

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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