Model: 8754390

Helical Gear

Special Features:

Spline minor diameter 1.680 in.

Properties:

Body Style
Webbed, offset, solid
Spline Quantity
15 both ends
Pitch Diameter
2.8164 inches
Teeth Quantity
20
Bore Style
Involute spline both ends
Spline Pitch Diameter
1.2500 inches both ends
Hardness Rating
25.0 rockwell c body and 36.0 rockwell c body
Hardness Rating
60.0 rockwell c hub
Outside Diameter
3.097 inches
Nominallength
1.491 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
25.6000 degrees
Distance Between Body Face And Protruding Hub End
0.191 inches first end
Distance Between Body Face And Protruding Hub End
0.050 inches second end
Face Width
1.250 inches
Bore Diameter
1.332 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.660 inches first end
Material
Steel comp 8620 or steel comp 8622
Material
Steel comp 8620 or steel comp 8622
Material Specification
66 sae 8620h federal standard all material responses
Style Designator
Protruding hubs
NSN
3020-00-678-2997
Part Number
8754390
Description
Gear,helical
CAGE
19207

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 8754390 NSN 3020-00-678-2997

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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