Model: 503-9960-002

Spur Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 2.9980 inches and 3.0000 inches
Teeth Quantity
144
Bore Style
W/counterbore both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
32 transversely through hub, first end
Mounting Hole Thread Size
0.138 inches transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
3.041 inches
Nominallength
0.422 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Distance Between Body Face And Protruding Hub End
0.050 inches second end
Face Width
0.125 inches
Bore Diameter
0.188 inches both ends
Counterbore Depth
0.078 inches second end
Counterbore Diameter
0.470 inches second end
Hub Style Designator
Pinned first end
Hub Style Designator
Plain second end
Hub Diameter
0.498 inches second end
Material
Copper alloy
Surface Treatment
Nickel
Style Designator
Protruding hubs
NSN
3020-00-528-1160
Part Number
503-9960-002
Description
Gear,spur
CAGE
13499

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 503-9960-002 NSN 3020-00-528-1160

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:
CRITL:
X

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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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