Model: 20559-1

Spur Gear

Properties:

Body Style
Plain, solid
Spline Quantity
12 both ends
Pitch Diameter
1.0620 inches
Teeth Quantity
51
Bore Style
Straight spline both ends
Hardness Rating
25.0 rockwell c and 30.0 rockwell c
Hardness Rating
25.0 rockwell c and 30.0 rockwell c
Outside Diameter
1.104 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.156 inches
Bore Diameter
0.312 inches both ends
Material
Steel comp 4620
Material Specification
Mil-s-7493, comp 4620 military specification single material response
Style Designator
Hubless
NSN
3020-00-728-1008
Part Number
20559-1
Description
Gear,spur
CAGE
86831

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 20559-1 NSN 3020-00-728-1008

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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
Z
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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