Model: 31023

Spur Gear

Special Features:

Mtg holes spaced 120 degrees apart

Properties:

Body Style
Plain, with lightening holes
Attachment Method
Mounting hole
Pitch Diameter
3.1875 inches
Teeth Quantity
102
Bore Style
Plain both ends
Backlash Designation
Grade c
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 axially through body, first end
Mounting Hole Thread Size
0.112 inches axially through body, first end
Mounting Hole Type And Quantity
3 threaded axially through body, first end
Outside Diameter
3.250 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.175 inches first end
Face Width
0.125 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
1 step first end
End Length
0.062 inches first end
Precision Classification
Quality number 10 or quality number 11
End Diameter
0.250 inches first end
First Step Length
0.113 inches first end
First Step Diameter
0.375 inches first end
Bolt Hole Circle Diameter
2.000 inches axially through body, first end
Material
Copper alloy 675
Material Specification
Qq-b-728, class a, comp hard /d/ federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-941-6015
Part Number
31023
Description
Gear,spur
CAGE

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 31023 NSN 3020-00-941-6015

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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

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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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