Model: 225998

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.3100 inches
Teeth Quantity
24
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
225.0 brinell standard and 265.0 brinell standard
Outside Diameter
1.420 inches
Teeth Type
Single helix
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
8.1877 degrees
Distance Between Body Face And Protruding Hub End
1.219 inches first end
Face Width
0.500 inches
Bore Diameter
0.500 inches both ends
Keyway Width
0.125 inches both ends
Distance From Bore Center To Keyway Bottom
0.312 inches both ends
Hub Style Designator
2 steps first end
End Length
0.125 inches first end
End Diameter
0.750 inches first end
First Step Length
0.385 inches first end
First Step Diameter
1.500 inches first end
Second Step Length
0.709 inches first end
Second Step Diameter
1.000 inches first end
Material
Steel
Material Specification
Mil-s-890, alloy no.3 military specification single material response
Style Designator
Protruding hub
NSN
3020-00-508-4650
Part Number
225998
Description
Gear,helical
CAGE
21444

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 225998 NSN 3020-00-508-4650

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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