Model: 3892C1121

Helical Gear

Properties:

Body Style
Plain, solid
Spline Quantity
34 both ends
Pitch Diameter
4.7410 inches
Teeth Quantity
25
Bore Style
Involute spline both ends
Spline Pitch Diameter
4.2500 inches both ends
Outside Diameter
5.178 inches
Teeth Type
Single helix
Tooth Form
Standard
Flange Diameter
5.325 inches
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Flange Thickness
0.875 inches
Helix Angle
22.0000 degrees
Face Width
1.539 inches
Bore Diameter
4.155 inches both ends
Distance Between Outer Body Face And Inner Flange Face
0.773 inches
Counterbore Depth
0.763 inches both ends
Counterbore Diameter
3.542 inches both ends
Hub Diameter
4.281 inches between body and flange
Material
Steel
Style Designator
Flanged end
NSN
3020-00-303-5104
Part Number
3892C1121
Description
Gear,helical
CAGE
78500

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 3892C1121 NSN 3020-00-303-5104

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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