Model: 681-2-506

Spur Gear
Description:

Plain, solid body style, mounting hole attachment method, 2.2812 inches pitch diameter, 146 teeth quantity, plain both ends bore style.

Special Features:

Two 0.109 in. Diameter holes 0.109 in.Deep 180 degrees apart, 0.375 in. Bolt circles diameter

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
2.2812 inches
Teeth Quantity
146
Bore Style
Plain both ends
Backlash Designation
Grade d
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thread Size
0.086 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
2.3125 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.2500 inches first end
Face Width
0.122 inches
Bore Diameter
0.18725 inches both ends
Hub Style Designator
1 step first end
End Length
0.1875 inches first end
Precision Classification
Quality number 10
End Diameter
0.5000 inches first end
First Step Length
0.0625 inches first end
First Step Diameter
0.8750 inches first end
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Style Designator
Protruding hub
NSN
3020-00-006-4263
Part Number
681-2-506
Description
Gear,spur
CAGE
50237

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 681-2-506 NSN 3020-00-006-4263

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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