Model: 18-8-17

Spur Gear

Properties:

Body Style
Webbed, offset, solid
Spline Quantity
12 both ends
Pitch Diameter
5.5714 inches
Teeth Quantity
39
Bore Style
Straight spline both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
5.775 inches
Nominallength
1.250 inches
Tooth Form
Standard
Pressure Angle
22.5000 degrees
Distance Between Body Face And Protruding Hub End
0.093 inches second end
Face Width
0.625 inches
Hub Style Designator
1 groove first end
Hub Style Designator
Plain second end
Hub Diameter
2.500 inches second end
End Diameter
3.000 inches first end
First Groove Width
0.380 inches first end
First Groove Diameter
2.435 inches first end
Distance From End To First Groove
0.188 inches first end
Material
Steel comp 8620h
Material Specification
66, aisi/sae, 8620 h federal standard single material response
Style Designator
Protruding hubs
NSN
3020-00-769-7468
Part Number
18-8-17
Description
Gear,spur
CAGE
72447

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 18-8-17 NSN 3020-00-769-7468

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:
121870
UFC:
64910
LTL:
77.5
LCL:
70.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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