Model: 32878C

Spur Gear

Special Features:

Spline minor nom. Dia. 1.911 in.

Properties:

Body Style
Plain, solid
Spline Quantity
6 both ends
Pitch Diameter
4.0000 inches
Teeth Quantity
12
Bore Style
Straight spline both ends
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Outside Diameter
4.498 inches
Nominallength
3.938 inches
Tooth Form
Stub
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.182 inches first end
Face Width
3.500 inches
Counterbore Depth
0.687 inches first end
Counterbore Diameter
2.440 inches first end
Hub Style Designator
Plain first end
Hub Diameter
3.250 inches first end
Material
Steel comp e4340h
Material Specification
66, aisi/sae e4340h federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-308-7163
Part Number
32878C
Description
Gear,spur
CAGE
30076

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 32878C NSN 3020-00-308-7163

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:
121870
UFC:
64910
LTL:
77.5
LCL:
70.0
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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