Model: 688-2031

Spur Gear

Properties:

Body Style
Webbed, solid
Spline Quantity
23 both ends
Pitch Diameter
4.6250 inches
Teeth Quantity
37
Bore Style
Involute spline both ends
Spline Pitch Diameter
1.9167 inches both ends
Features Provided
Casehardened
Outside Diameter
4.843 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
1.638 inches
Bore Diameter
2.034 inches both ends
Material
Steel comp 8620
Material Specification
Fed standard 66 federal standard single material response
Style Designator
Hubless
NSN
3020-00-399-4650
Part Number
688-2031
Description
Gear,spur
CAGE
16662

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 688-2031 NSN 3020-00-399-4650

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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