Model: 145012C

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
3.1177 inches
Teeth Quantity
27
Bore Style
10a w/ keyway both ends
Mounting Hole Thread Series Designator
Unf axially through body, first end
Mounting Hole Thread Size
0.250 inches axially through body, first end
Mounting Hole Type And Quantity
3 threaded axially through body, first end
Outside Diameter
3.315 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
30.0000 degrees
Distance Between Body Face And Protruding Hub End
0.120 inches first end
Face Width
1.250 inches
Bore Diameter
1.999 inches both ends
Keyway Width
0.252 inches both ends
Distance From Bore Center To Keyway Bottom
1.125 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.813 inches first end
Bolt Hole Circle Diameter
2.438 inches axially through body, first end
Material
Steel comp 1340
Material Specification
66 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-980-1365
Part Number
145012C
Description
Gear,helical
CAGE
64104

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 145012C NSN 3020-00-980-1365

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

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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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