Model: 1676658

Helical Gear

Properties:

Body Style
Webbed, solid
Spline Quantity
11 both ends
Pitch Diameter
7.7646 inches
Teeth Quantity
60
Bore Style
Involute spline both ends
Spline Pitch Diameter
1.3750 inches both ends
Hardness Rating
30.0 rockwell c body and 34.0 rockwell c body
Hardness Rating
48.0 rockwell c teeth and 52.0 rockwell c teeth
Outside Diameter
8.013 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Face Width
2.000 inches
Bore Diameter
1.500 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.500 inches both ends
Material
Steel comp 4340
Material Specification
66 federal standard single material response and aisi/sae 4340 assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-c-16232, type 2-canceled military specification single treatment response
Style Designator
Flush hub
NSN
3020-00-894-0943
Part Number
1676658
Description
Gear,helical
CAGE
10001

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 1676658 NSN 3020-00-894-0943

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:
--
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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