Model: 8171661

Spur Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
45.0000 inches
Teeth Quantity
720
Bore Style
Plain both ends
Mounting Hole Type And Quantity
34 counterbored axially through body, first end
Outside Diameter
45.123 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Body Recess Depth
0.281 inches both ends
Face Width
1.000 inches
Bore Diameter
42.284 inches both ends
Precision Classification
Quality number 12
Mounting Hole Diameter
0.342 inches axially through body, first end
Bolt Hole Circle Diameter
43.125 inches axially through body, first end
Material
Steel comp 4140h
Material Specification
Qq-s-624 federal specification single material response
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 1, class 2 federal specification single treatment response
Style Designator
Hubless, recessed body
NSN
3020-00-563-3815
Part Number
8171661
Description
Gear,spur
CAGE
18876

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 8171661 NSN 3020-00-563-3815

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

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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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