Model: 912114

Helical Gear

Properties:

Body Style
Webbed, offset, with lightening holes
Pitch Diameter
9.9507 inches
Teeth Quantity
154
Bore Style
10a w/ keyway both ends
Hardness Rating
33.0 rockwell c and 36.0 rockwell c
Outside Diameter
10.074 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
15.1666 degrees
Distance Between Body Face And Protruding Hub End
0.364 inches first end
Distance Between Body Face And Recessed Hub End
0.161 inches second end
Face Width
0.822 inches
Bore Diameter
2.167 inches both ends
Keyway Width
0.314 inches both ends
Distance From Bore Center To Keyway Bottom
1.240 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
3.125 inches first end
Precision Classification
Quality number 12
Material
Steel comp 4140
Material Specification
Mil-s-5626 military specification single material response
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, class 1 military specification single treatment response
Style Designator
One protruding hub, one recessed hub
NSN
3020-01-062-4581
Part Number
912114
Description
Gear,helical
CAGE
49956

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 912114 NSN 3020-01-062-4581

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
6.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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