Model: 972-230

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 0.8320 inches and 0.8330 inches
Teeth Quantity
40
Bore Style
Plain both ends
Hardness Rating
60.0 rockwell c hub and 90.0 rockwell c hub
Hardness Rating
60.0 rockwell c teeth and 90.0 rockwell c teeth
Hardness Rating
60.0 rockwell c and 90.0 rockwell c hub
Hardness Rating
60.0 rockwell c and 90.0 rockwell c teeth
Outside Diameter
0.875 inches
Nominallength
0.500 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.078 inches second end
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
0.156 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.313 inches second end
Hub Diameter
0.500 inches first end
Material
Copper alloy
Material Specification
Mil-b-895, 1/2 hard military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-294-4774
Part Number
972-230
Description
Gear,spur
CAGE
94404

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 972-230 NSN 3020-00-294-4774

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:
92.5
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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