Model: 778158

Spur Gear

Special Features:

Counterbore, 1.500 in. Dia, 0.500 in. Deep on second end

Properties:

Body Style
Webbed, with lightening holes
Spline Quantity
6 both ends
Pitch Diameter
12.0000 inches
Teeth Quantity
72
Bore Style
Straight spline both ends
Hardness Rating
40.8 rockwell c teeth
Hardness Rating
25.0 rockwell c hub and 30.0 rockwell c hub
Hardness Rating
25.0 rockwell c and 30.0 rockwell c hub
Outside Diameter
12.2490 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.1870 inches second end
Distance Between Body Face And Protruding Hub End
0.5630 inches first end
Face Width
1.2500 inches
Bore Diameter
1.4995 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.9370 inches second end
Hub Diameter
2.0000 inches first end
Precision Classification
Quality number 12
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Style Designator
Protruding hubs
NSN
3020-00-272-7541
Part Number
778158
Description
Gear,spur
CAGE
10001

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 778158 NSN 3020-00-272-7541

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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