Model: 51040DB

Helical Gear

Special Features:

One 11/64 in. Hole located between teeth 1 in. From end of gear, 1/32 in. By 1/8 in. Radius oil grooves 107 degrees apart one groove each end

Properties:

Body Style
Plain, solid
Pitch Diameter
2.0480 inches
Teeth Quantity
12
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
25.0 rockwell c body
Hardness Rating
50.0 rockwell c teeth and 55.0 rockwell c teeth
Outside Diameter
2.376 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
23.5000 degrees
Helix Angle
6.8692 degrees
Face Width
1.696 inches
Bore Diameter
0.623 inches both ends
Keyway Width
0.158 inches both ends
Distance From Bore Center To Keyway Bottom
0.389 inches both ends
Material
Steel comp 1045
Material Specification
66 federal standard single material response and aisi/sae 1045 assn standard single material response
Style Designator
Hubless
NSN
3020-00-424-7867
Part Number
51040DB
Description
Gear,helical
CAGE
92679

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 51040DB NSN 3020-00-424-7867

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

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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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