Model: A3380-1

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
21.8530 inches
Teeth Quantity
131
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
21.9660 inches
Nominallength
4.247 inches
Teeth Type
Double helix, solid
Pressure Angle
20.0000 degrees
Helix Angle
30.0000 degrees
Distance Between Body Face And Protruding Hub End
0.247 inches first end
Face Width
4.000 inches
Bore Diameter
3.813 inches both ends
Keyway Width
0.875 inches both ends
Distance From Bore Center To Keyway Bottom
2.297 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
6.250 inches first end
Hub Diameter
6.250 inches second end
Material
Steel
Style Designator
One protruding hub, one flush hub
NSN
3020-00-294-7775
Part Number
A3380-1
Description
Gear,helical
CAGE
34712

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 A3380-1 NSN 3020-00-294-7775

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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