Model: 189128A396

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
18.1500 inches
Teeth Quantity
121
Bore Style
Tapered w/keyway first end
Features Provided
Tapered keyway
Outside Diameter
18.4360 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
17.7498 degrees
Distance Between Body Face And Protruding Hub End
1.313 inches first end
Distance Between Body Face And Recessed Hub End
1.1875 inches second end
Face Width
2.9999 inches
Keyway Width
0.6260 inches first end
Distance From Bore Center To Keyway Bottom
1.4453 inches first end
Taper Major Diameter
2.2505 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
5.0000 inches both ends
Material
Steel
Material Specification
Mil-s-890, alloy no. 1 military specification single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-517-2925
Part Number
189128A396
Description
Gear,helical
CAGE
0AT62

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 189128A396 NSN 3020-00-517-2925

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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