Model: 122876

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
11.0000 inches
Teeth Quantity
55
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
56.0 rockwell c and 62.0 rockwell c
Outside Diameter
11.3700 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
22.3167 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
2.000 inches
Bore Diameter
2.247 inches first end
Keyway Width
0.3747 inches first end
Distance From Bore Center To Keyway Bottom
1.317 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
3.250 inches first end
Hub Diameter
3.250 inches second end
Material
Steel comp 4620
Material Specification
Fed standard 66 federal standard single material response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-352-6389
Part Number
122876
Description
Gear,helical
CAGE

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 122876 NSN 3020-00-352-6389

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:
SX
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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