Model: 25823B

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
12.5000 inches
Teeth Quantity
150
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Hardness Rating
23.0 rockwell c and 30.0 rockwell c
Hardness Rating
23.0 rockwell c and 30.0 rockwell c
Mounting Hole Thread Size
0.375 inches axially through body, first end
Mounting Hole Type And Quantity
8 threaded axially through body, first end
Outside Diameter
12.664 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.840 inches first end
Face Width
0.940 inches
Bore Diameter
9.380 inches both ends
Hub Style Designator
1 step first end
End Length
0.350 inches first end
End Diameter
11.001 inches first end
First Step Length
0.490 inches first end
First Step Diameter
12.140 inches first end
Bolt Hole Circle Diameter
10.125 inches axially through body, first end
Material
Steel comp 4140
Material Specification
Fed standard 66 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-481-2489
Part Number
25823B
Description
Gear,spur
CAGE
10110

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 25823B NSN 3020-00-481-2489

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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