Model: 490738

Spur Gear

Properties:

Body Style
Plain, solid
Spline Quantity
16 both ends
Pitch Diameter
1.9079 inches
Teeth Quantity
25
Bore Style
Involute spline both ends
Spline Pitch Diameter
0.5000 inches both ends
Hardness Rating
30.0 rockwell c hub and 40.0 rockwell c hub
Hardness Rating
85.0 rockwell a teeth and 91.0 rockwell a teeth
Outside Diameter
2.022 inches
Nominallength
0.670 inches
Tooth Form
Standard
Pressure Angle
22.5000 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches first end
Distance Between Body Face And Recessed Hub End
0.120 inches second end
Face Width
0.250 inches
Bore Diameter
0.517 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.800 inches both ends
Precision Classification
Quality number 8
Material
Steel comp e9310
Material Specification
Ams 6260 assn standard single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-966-5023
Part Number
490738
Description
Gear,spur
CAGE
28596

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part 490738 NSN 3020-00-966-5023

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
RV
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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