Model: 311-1040

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.5080 inches
Teeth Quantity
68
Outside Diameter
1.5440 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
17.0000 degrees
Distance Between Body Face And Protruding Hub End
1.965 inches first end
Face Width
0.250 inches
Hub Style Designator
1 step first end
End Length
1.675 inches first end
End Diameter
0.249 inches first end
First Step Length
0.195 inches first end
First Step Diameter
0.500 inches first end
Material
Plastic body
Material
Steel hub
Style Designator
Protruding hub
NSN
3020-00-251-0951
Part Number
311-1040
Description
Gear,helical
CAGE
21900

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 311-1040 NSN 3020-00-251-0951

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:
SX
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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