Model: 647-6

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Slot
Pitch Diameter
1.1250 inches
Teeth Quantity
66
Bore Style
Plain both ends
Outside Diameter
1.1720 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
62.0000 degrees
Distance Between Body Face And Protruding Hub End
0.188 inches first end
Face Width
0.188 inches
Bore Diameter
0.2500 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.656 inches first end
Material
Copper alloy
Style Designator
Protruding hub
NSN
3020-00-785-0426
Part Number
647-6
Description
Gear,helical
CAGE
24515

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 647-6 NSN 3020-00-785-0426

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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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