Model: 156NC4028

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
3.6929 inches
Teeth Quantity
48
Bore Style
10a w/ keyway both ends
Hardness Rating
58.0 rockwell c and 61.0 rockwell c
Outside Diameter
3.8640 inches
Teeth Type
Single helix
Tooth Form
Special
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
21.8102 degrees
Distance Between Body Face And Protruding Hub End
0.750 inches first end
Face Width
1.000 inches
Bore Diameter
0.876 inches both ends
Keyway Width
0.188 inches both ends
Distance From Bore Center To Keyway Bottom
0.531 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.625 inches first end
Material
Steel comp e3310
Material Specification
66 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-950-3843
Part Number
156NC4028
Description
Gear,helical
CAGE
82328

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 156NC4028 NSN 3020-00-950-3843

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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