Model: 331207

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
11.8430 inches
Teeth Quantity
94
Bore Style
Tapered w/keyway both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Hardness Rating
310.0 brinell standard and 350.0 brinell standard
Mounting Hole Thread Size
0.190 inches axially through body, first end
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
12.0610 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
30.0483 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Body Recess Depth
0.875 inches second end
Face Width
2.750 inches
Keyway Width
0.500 inches both ends
Distance From Bore Center To Keyway Bottom
1.387 inches both ends
Taper Major Diameter
2.243 inches both ends
Hub Style Designator
1 step first end
End Length
0.375 inches first end
End Diameter
2.750 inches first end
First Step Length
0.125 inches first end
First Step Diameter
4.125 inches first end
Bolt Hole Circle Diameter
6.750 inches axially through body, first end
Material
Steel comp 4340
Material Specification
Mil-s-19434, class 5 military specification single material response
Style Designator
Protruding hub, recessed body
NSN
3020-00-434-6474
Part Number
331207
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 331207 NSN 3020-00-434-6474

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
52.0000lbs
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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