Model: 073771

Helical Gear

Special Features:

9/32 in. By 30 degrees chamfer both ends of bore, 1/16 in. By 45 degrees chamfer both sides of gear teeth

Properties:

Body Style
Plain, solid
Spline Quantity
18 both ends
Pitch Diameter
3.2055 inches
Teeth Quantity
18
Bore Style
Involute spline both ends
Spline Pitch Diameter
2.2500 inches both ends
Hardness Rating
58.0 rockwell c and 65.0 rockwell c
Outside Diameter
3.715 inches
Nominallength
2.408 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
20.6259 degrees
Distance Between Body Face And Protruding Hub End
0.595 inches first end
Face Width
1.812 inches
Bore Diameter
2.334 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.938 inches first end
Material
Steel
Style Designator
Protruding hub
NSN
3020-00-249-9927
Part Number
073771
Description
Gear,helical
CAGE
89926

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 073771 NSN 3020-00-249-9927

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:
A
ESD:
A
ESD:
A
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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