Model: R20872

Internal Gear

Properties:

Body Style
Plain, solid
Spline Quantity
10 both ends
Pitch Diameter
1.6666 inches
Teeth Quantity
10
Bore Style
Straight spline both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
2.4030 inches
Nominallength
1.7500 inches
Teeth Type
Spur
Tooth Form
Special
Pressure Angle
25.0000 degrees
Distance Between Body Face And Protruding Hub End
1.0090 inches first end
Face Width
0.4750 inches
Bore Diameter
1.4155 inches both ends
Hub Style Designator
2 steps first end
End Length
0.4370 inches first end
End Diameter
1.0630 inches first end
First Step Length
0.1870 inches first end
First Step Diameter
2.0680 inches first end
Second Step Length
0.3850 inches first end
Second Step Diameter
1.6180 inches first end
Material
Steel comp 8620
Material Specification
66 federal standard single material response
Style Designator
Solid back ring, protruding hub, recessed hub
NSN
3020-00-495-7097
Part Number
R20872
Description
Gear,internal
CAGE
83120

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

Part R20872 NSN 3020-00-495-7097

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:
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:
Construction Materials

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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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