Model: 2498

Helical Gear

Special Features:

Two puller holes 5/16-18 unc 2b thd 5/8 in. Deep 90 degrees on either side of center of keyway

Properties:

Body Style
Plain, solid
Pitch Diameter
2.6660 inches
Teeth Quantity
10
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.1655 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Face Width
3.375 inches
Bore Diameter
1.1865 inches both ends
Keyway Width
0.156 inches both ends
Distance From Bore Center To Keyway Bottom
0.6793 inches both ends
Material
Copper alloy
Style Designator
Hubless
NSN
3020-00-499-1266
Part Number
2498
Description
Gear,helical
CAGE
54641

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 2498 NSN 3020-00-499-1266

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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