Model: WT258-31

Helical Gear

Special Features:

Hub style designator second end style 10

Properties:

Body Style
Webbed, offset, solid
Spline Quantity
24 second end
Pitch Diameter
4.7143 inches
Teeth Quantity
33
Bore Style
Plain both ends
Spline Pitch Diameter
3.4280 inches both ends
Outside Diameter
4.9320 inches
Nominallength
1.197 inches
Teeth Type
Single helix
Tooth Form
Standard
Pressure Angle
18.4950 degrees
Helix Angle
23.2158 degrees
Distance Between Body Face And Protruding Hub End
0.433 inches first end
Distance Between Body Face And Protruding Hub End
0.050 inches second end
Face Width
0.765 inches
Distance From Bore Center To Keyway Bottom
1.970 inches both ends
Counterbore Depth
0.182 inches second end
Counterbore Diameter
2.8125 inches second end
Hub Diameter
2.625 inches first end
Material
Steel
Style Designator
Protruding hubs
NSN
3020-00-737-3398
Part Number
WT258-31
Description
Gear,helical
CAGE
31204

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 WT258-31 NSN 3020-00-737-3398

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:
586
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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