Model: 8431-312

Spur Gear Sector

Properties:

Attachment Method
Mounting hole
Teeth Quantity
26
Bore Style
Plain both ends
Pitch Radius
0.7344 inches
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thread Size
0.138 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 plain transversely through hub, first end and 1 threaded transversely through hub, first end
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.064 inches both ends
Face Width
0.127 inches
Bore Diameter
0.314 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.050 inches both ends
Outside Radius
0.7500 inches
Arc Length
1.2500 inches
Mounting Hole Diameter
0.094 inches transversely through hub, first end
Material
Steel
Surface Treatment
Passivate
Style Designator
Protruding hubs
NSN
3020-00-450-1824
Part Number
8431-312
Description
Gear Sector,spur
CAGE

A gear sector with complements of spur gear teeth.

Part 8431-312 NSN 3020-00-450-1824

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28377
FIIG:
A27300
Concept No.:
1
App. Key:
AP
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:
197339
UFC:
96710
LTL:
65.0
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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