Model: TB-3

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
4.9740 inches
Teeth Quantity
40
Bore Style
10a w/ keyway both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thread Size
0.500 inches axially through body, first end
Mounting Hole Type And Quantity
3 threaded axially through body, first end
Outside Diameter
5.0130 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
8.4203 degrees
Distance Between Body Face And Protruding Hub End
0.188 inches both ends
Face Width
0.875 inches
Bore Diameter
1.178 inches both ends
Keyway Width
0.250 inches both ends
Distance From Bore Center To Keyway Bottom
0.701 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.000 inches first end
Hub Diameter
2.000 inches second end
Bolt Hole Circle Diameter
3.250 inches axially through body, first end
Material
Steel
Style Designator
Protruding hubs
NSN
3020-00-910-7006
Part Number
TB-3
Description
Gear,helical
CAGE
77081

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 TB-3 NSN 3020-00-910-7006

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:
--
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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