Model: 3H4581AU20

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.0460 inches
Teeth Quantity
12
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
58.0 rockwell c and 63.0 rockwell c
Outside Diameter
1.1690 inches
Nominallength
0.734 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
0.234 inches first end
Face Width
0.500 inches
Bore Diameter
0.472 inches both ends
Keyway Width
0.095 inches both ends
Distance From Bore Center To Keyway Bottom
0.285 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.875 inches first end
Material
Steel comp 1022
Material Specification
66, aisi/sae 1022 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-251-0898
Part Number
3H4581AU20
Description
Gear,helical
CAGE
80063

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 3H4581AU20 NSN 3020-00-251-0898

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:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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