Model: 520781

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
3.1667 inches
Teeth Quantity
152
Bore Style
W/counterbore both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 axially through body, first end
Mounting Hole Type And Quantity
3 threaded axially through body, first end
Nominallength
0.281 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.156 inches first end
Face Width
0.125 inches
Bore Diameter
0.204 inches both ends
End Length
0.063 inches first end
Precision Classification
Quality number 12
End Diameter
0.500 inches first end
First Step Length
0.094 inches first end
First Step Diameter
1.625 inches first end
Bolt Hole Circle Diameter
0.938 inches axially through body, first end
Material
Steel comp 416
Material Specification
Aisi 416/sae 51416 assn standard single material response
Surface Treatment
Passivate
Style Designator
Protruding hub
NSN
3020-00-379-6308
Part Number
520781
Description
Gear,spur
CAGE
10001

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 520781 NSN 3020-00-379-6308

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:
A
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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