Model: 8445025-31

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
3.5000 inches
Teeth Quantity
14
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.997 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
24.0000 degrees
Helix Angle
5.0000 degrees
Face Width
7.997 inches
Bore Diameter
2.000 inches both ends
Keyway Width
0.250 inches both ends
Distance From Bore Center To Keyway Bottom
1.141 inches both ends
Material
Steel comp 4140
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Hubless
NSN
3020-00-786-4253
Part Number
8445025-31
Description
Gear,helical
CAGE
03502

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 8445025-31 NSN 3020-00-786-4253

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:
--
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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