Model: C743501-1

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
3.1112 inches
Teeth Quantity
22
Bore Style
Plain both ends
Hardness Rating
30.0 rockwell c hub and 36.0 rockwell c hub
Hardness Rating
30.0 rockwell c teeth and 36.0 rockwell c teeth
Mounting Hole Type And Quantity
8 plain axially through body, first end
Outside Diameter
3.3112 inches
Nominallength
4.6875 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
2.687 inches second end
Face Width
0.750 inches
Bore Diameter
2.0000 inches both ends
Hub Style Designator
3 steps first end
Hub Diameter
2.531 inches second end
End Diameter
2.500 inches first end
First Step Length
1.250 inches first end
First Step Diameter
2.531 inches first end
Second Step Length
2.936 inches first end
Third Step Length
0.125 inches first end
Third Step Diameter
0.312 inches first end
Mounting Hole Diameter
0.272 inches axially through body, first end
Bolt Hole Circle Diameter
4.312 inches axially through body, first end
Material
Steel comp 416
Material Specification
Qq-s-763, cl 6 federal specification single material response
Surface Treatment
Passivate
NSN
3020-00-289-7673
Part Number
C743501-1
Description
Gear,helical
CAGE
21921

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:

Part C743501-1 NSN 3020-00-289-7673

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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