Model: 4B1191

Spur Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
7.0000 inches
Teeth Quantity
56
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
82.9 rockwell b and 96.4 rockwell b
Hardness Rating
82.9 rockwell b and 96.4 rockwell b
Outside Diameter
7.247 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.812 inches first end
Distance Between Body Face And Recessed Hub End
0.375 inches second end
Face Width
1.000 inches
Bore Diameter
1.250 inches both ends
Keyway Width
0.243 inches both ends
Distance From Bore Center To Keyway Bottom
0.741 inches both ends
Hub Style Designator
2 steps first end
Hub Style Designator
Plain second end
Hub Diameter
2.125 inches second end
End Length
0.062 inches first end
End Diameter
1.500 inches first end
First Step Length
0.250 inches first end
First Step Diameter
1.750 inches first end
Second Step Length
0.499 inches first end
Second Step Diameter
2.125 inches first end
Material
Steel comp 1045
Material Specification
Fed standard 66 federal specification single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-278-7623
Part Number
4B1191
Description
Gear,spur
CAGE
11083

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 4B1191 NSN 3020-00-278-7623

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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