Model: 1676661

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
6.4187 inches
Teeth Quantity
62
Bore Style
10a w/ keyway both ends
Hardness Rating
28.0 rockwell c body and 32.0 rockwell c body
Hardness Rating
48.0 rockwell c teeth and 52.0 rockwell c teeth
Outside Diameter
6.612 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Face Width
0.500 inches
Bore Diameter
0.750 inches both ends
Keyway Width
0.188 inches both ends
Distance From Bore Center To Keyway Bottom
0.473 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
1.750 inches first end
Material
Steel comp 4340
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-850-1423
Part Number
1676661
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 1676661 NSN 3020-00-850-1423

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:
A
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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