Model: 643370

Helical Gear

Special Features:

Drill 8 holes 1/8 in. Diameter eaqually spaced between teeth, 7/32 in. From gear face aa end

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
4.1475 inches
Teeth Quantity
32
Bore Style
Plain both ends
Hardness Rating
10.0 rockwell c hub and 19.0 rockwell c hub
Hardness Rating
10.0 rockwell c teeth and 19.0 rockwell c teeth
Outside Diameter
4.344 inches
Nominallength
1.356 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
39.5167 degrees
Distance Between Body Face And Protruding Hub End
0.625 inches second end
Distance Between Body Face And Recessed Hub End
0.535 inches first end
Face Width
0.875 inches
Bore Diameter
1.125 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.750 inches second end
Hub Diameter
2.000 inches first end
Material
Steel
Style Designator
Cone shape body, protruding hub, recessed hub
NSN
3020-00-615-3289
Part Number
643370
Description
Gear,helical
CAGE
58275

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 643370 NSN 3020-00-615-3289

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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