Model: 624-4004-001

Helical Gear

Properties:

Attachment Method
Mounting hole
Pitch Diameter
9.0000 inches
Teeth Quantity
90
Bore Style
10a w/ keyway both ends
Mounting Hole Thread Series Designator
Unf axially through body, second end
Mounting Hole Thready Qty Per Inch (tpi)
28 axially through body, second end
Mounting Hole Thread Size
0.250 inches axially through body, second end
Mounting Hole Type And Quantity
2 threaded axially through body, second end
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
1.2500 inches
Bore Diameter
1.0000 inches both ends
Keyway Width
0.2510 inches both ends
Distance From Bore Center To Keyway Bottom
0.6094 inches both ends
Material
Steel comp 4340 bore surface
Material Specification
Ams6359 assn standard single material response bore surface
Style Designator
Hubless
NSN
3020-01-272-8633
Part Number
624-4004-001
Description
Gear,helical
CAGE
13499

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 624-4004-001 NSN 3020-01-272-8633

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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