Model: 155NC4028

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
2.3071 inches
Teeth Quantity
12
Bore Style
10a w/ keyway both ends
Hardness Rating
58.0 rockwell c and 61.0 rockwell c
Outside Diameter
2.4790 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
21.8102 degrees
Face Width
2.500 inches
Bore Diameter
1.376 inches both ends
Keyway Width
0.250 inches both ends
Distance From Bore Center To Keyway Bottom
0.813 inches both ends
Material
Steel comp e3310
Material Specification
66 federal standard single material response
Style Designator
Hubless
NSN
3020-00-950-3842
Part Number
155NC4028
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 155NC4028 NSN 3020-00-950-3842

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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