Model: B0721583

Spur Gear

Special Features:

45 degrees chamfer 3/16 in. Lg on first hub end, 45 degrees chamfer 1/32 in. Lg on second hub end

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
4.8750 inches
Teeth Quantity
78
Bore Style
Tapered w/keyway first end
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
16 axially through body, first end
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Mounting Hole Thread Size
0.375 inches axially through body, first end
Mounting Hole Type And Quantity
3 threaded axially through body, first end
Outside Diameter
4.921 inches
Nominallength
1.125 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.156 inches second end
Distance Between Body Face And Protruding Hub End
0.469 inches first end
Face Width
0.500 inches
Keyway Width
0.158 inches both ends
Distance From Bore Center To Keyway Bottom
0.510 inches both ends
Taper Major Diameter
0.926 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
1.375 inches first end
Hub Diameter
1.375 inches second end
Bolt Hole Circle Diameter
2.250 inches axially through body, first end
Material
Steel comp 4340
Material Specification
Fed standard 66 federal standard single material response
Surface Treatment
Zinc
Style Designator
Protruding hubs
NSN
3020-00-517-0975
Part Number
B0721583
Description
Gear,spur
CAGE
64959

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 B0721583 NSN 3020-00-517-0975

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:
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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