Model: 6578521

Helical Gear

Properties:

Body Style
Webbed, solid
Spline Quantity
16 both ends
Pitch Diameter
10.5740 inches
Teeth Quantity
48
Bore Style
Involute spline both ends
Spline Pitch Diameter
3.0000 inches both ends
Hardness Rating
58.0 rockwell c and 65.0 rockwell c
Nominallength
3.313 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
24.7839 degrees
Distance Between Body Face And Protruding Hub End
0.781 inches both ends
Face Width
1.750 inches
Bore Diameter
3.052 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.750 inches first end
Hub Diameter
3.750 inches second end
Material
Steel comp 8620h
Material Specification
Ed standard 66, aisi/sae 8620h federal standard 5th material response
Style Designator
Protruding hubs
NSN
3020-00-262-7570
Part Number
6578521
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 6578521 NSN 3020-00-262-7570

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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