Model: 2161978

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
6.5020 inches
Teeth Quantity
32
Bore Style
10b w/ 2 keyways both ends
Hardness Rating
57.0 rockwell c body and 65.0 rockwell c body
Hardness Rating
57.0 rockwell c teeth and 65.0 rockwell c teeth
Outside Diameter
6.900 inches
Nominallength
2.378 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
17.5000 degrees
Helix Angle
17.0092 degrees
Distance Between Body Face And Protruding Hub End
0.016 inches both ends
Face Width
2.344 inches
Bore Diameter
2.500 inches both ends
Keyway Width
0.499 inches both ends
Distance From Bore Center To Keyway Bottom
1.473 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.625 inches first end
Hub Diameter
3.625 inches second end
Material
Steel comp e4340h
Material Specification
Ed standard 66, aisi/sae e4340h federal standard 5th material response
Style Designator
Protruding hubs
NSN
3020-00-832-9081
Part Number
2161978
Description
Gear,helical
CAGE
61465

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 2161978 NSN 3020-00-832-9081

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
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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