Model: A51M20528-11

Spur Gear

Properties:

Body Style
Webbed, solid
Spline Quantity
9 both ends
Pitch Diameter
Between 1.7217 inches and 1.7222 inches
Teeth Quantity
62
Bore Style
Involute spline both ends
Spline Pitch Diameter
0.2813 inches both ends
Backlash Designation
Grade d
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Outside Diameter
1.777 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.187 inches first end
Face Width
0.188 inches
Bore Diameter
0.316 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.625 inches first end
Precision Classification
Quality number 14
Material
Steel comp 630
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Style Designator
One protruding hub, one flush hub
NSN
3020-00-867-2220
Part Number
A51M20528-11
Description
Gear,spur
CAGE
61174

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 A51M20528-11 NSN 3020-00-867-2220

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:
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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