Model: SM-B-202237

Spur Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
3.2500 inches
Teeth Quantity
78
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
50.0 rockwell c and 55.0 rockwell c
Hardness Rating
50.0 rockwell c and 55.0 rockwell c
Outside Diameter
3.331 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.031 inches first end
Face Width
0.450 inches
Bore Diameter
0.672 inches both ends
Keyway Width
0.127 inches both ends
Distance From Bore Center To Keyway Bottom
0.431 inches both ends
Hub Style Designator
Plain second end
Hub Diameter
1.000 inches second end
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Surface Treatment
Phosphate
Style Designator
One protruding hub, one flush hub
NSN
3020-00-697-1406
Part Number
SM-B-202237
Description
Gear,spur
CAGE
80063

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 SM-B-202237 NSN 3020-00-697-1406

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:
197339
UFC:
96710
LTL:
65.0
LCL:
--
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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