Model: 72171

Spur Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
3.5000 inches
Teeth Quantity
70
Backlash Designation
Grade c
Nominallength
0.562 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.187 inches first end
Face Width
0.375 inches
Keyway Width
0.186 inches both ends
End Length
0.063 inches first end
Precision Classification
Quality number 9
End Diameter
1.000 inches first end
First Step Diameter
1.125 inches first end
Material
Steel comp 4620
Material Specification
Mil-s-7493, comp 4620 military specification single material response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-545-1725
Part Number
72171
Description
Gear,spur
CAGE
24930

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 72171 NSN 3020-00-545-1725

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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