Model: 31409-303

Internal Gear

Special Features:

Spline minor dia. 0.750 in.

Properties:

Body Style
Webbed, offset, solid
Spline Quantity
6 both ends
Teeth Quantity
60
Bore Style
Straight spline both ends
Hardness Rating
35.0 rockwell c teeth and 39.0 rockwell c teeth
Outside Diameter
3.750 inches
Nominallength
1.185 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches both ends
Face Width
0.718 inches
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
1.250 inches second end
End Diameter
1.057 inches first end
First Step Diameter
1.250 inches first end
Material
Iron cast
Material Specification
Astm a536-65t, geade 80-55-06 assn standard single material response
Style Designator
Solid back ring, protruding hub, recessed hub
NSN
3020-01-047-3124
Part Number
31409-303
Description
Gear,internal
CAGE
03990

A gear with teeth formed on the inner surface of a cylinder or cone.

Part 31409-303 NSN 3020-01-047-3124

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05465
FIIG:
A27300
Concept No.:
1
App. Key:
AG
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:
2.0000lbs
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:
121870
UFC:
64910
LTL:
77.5
LCL:
--
WCC:
576
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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