Model: 31146-1

Helical Gear

Properties:

Pitch Diameter
19.6700 inches
Teeth Quantity
76
Nominallength
5.562 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Face Width
2.000 inches
Counterbore Diameter
4.5000 inches second end
Hub Style Designator
Plain both ends
Hub Diameter
5.750 inches first end
Hub Diameter
5.750 inches second end
Material
Steel
Style Designator
Protruding hubs
NSN
3020-00-517-3915
Part Number
31146-1
Description
Gear,helical
CAGE
31577

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 31146-1 NSN 3020-00-517-3915

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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