Model: 490D820

Spur Gear

Special Features:

Mtg holes 90 degs apart

Properties:

Body Style
Plain, solid
Pitch Diameter
0.3750 inches
Teeth Quantity
18
Bore Style
Plain both ends
Outside Diameter
0.417 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.251 inches first end
Face Width
0.187 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.406 inches first end
Precision Classification
Quality number 10
Material
Steel comp 303
Material Specification
Qq-s-763, class 7, type a federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, finish e300 military specification single treatment response
Style Designator
Protruding hub
Furnished Items And Quantity
1 setscrew
NSN
3020-00-820-0367
Part Number
490D820
Description
Gear,spur
CAGE
97942

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 490D820 NSN 3020-00-820-0367

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:
U
ESD:
ESD:
MMAC:
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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