Model: DU903

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
5.0000 inches
Teeth Quantity
27
Bore Style
Plain both ends
Hardness Rating
59.0 rockwell c hub and 63.0 rockwell c hub
Mounting Hole Type And Quantity
15 plain axially through hub, first end
Outside Diameter
5.330 inches
Nominallength
2.344 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
17.5000 degrees
Helix Angle
25.8419 degrees
Distance Between Body Face And Protruding Hub End
0.094 inches second end
Distance Between Body Face And Protruding Hub End
0.375 inches first end
Face Width
1.875 inches
Bore Diameter
2.107 inches both ends
Counterbore Depth
0.594 inches first end
Counterbore Diameter
2.9375 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
2.688 inches second end
Hub Diameter
3.875 inches first end
Mounting Hole Diameter
0.359 inches axially through hub, first end
Bolt Hole Circle Diameter
3.250 inches axially through hub, first end
Material
Steel comp 8617h or steel comp 8620
Material
Steel comp 8617h or steel comp 8620
Material Specification
Fed st6 66, aisi/sae 8617h federal standard 1st material response or 8620 federal standard 2nd material response
Style Designator
Protruding hubs
NSN
3020-00-692-5686
Part Number
DU903
Description
Gear,helical
CAGE
81141

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 DU903 NSN 3020-00-692-5686

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:
A
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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