Model: 478-09B

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
5.7500 inches
Teeth Quantity
23
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
225.0 brinell standard and 250.0 brinell standard
Outside Diameter
6.3480 inches
Teeth Type
Double helix, solid
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
30.0000 degrees
Face Width
5.500 inches
Bore Diameter
3.2505 inches both ends
Keyway Width
0.7505 inches both ends
Distance From Bore Center To Keyway Bottom
2.0310 inches both ends
Material
Steel
Style Designator
Hubless
NSN
3020-00-517-2926
Part Number
478-09B
Description
Gear,helical
CAGE
83004

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 478-09B NSN 3020-00-517-2926

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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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