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Helical Gear NSN 3020-00-391-0930

Item Description

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:

NSN 3020-00-391-0930 NSN: 3020-00-391-0930

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Features and Characteristics

Body Style
Webbed, with lightening holes
Pitch Diameter
10.8000 inches
Teeth Quantity
54
Bore Style
Plain both ends
Hardness Rating
10.0 rockwell c and 20.0 rockwell c
Outside Diameter
11.084 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
27.3217 degrees
Distance Between Body Face And Protruding Hub End
0.688 inches both ends
Face Width
2.000 inches
Bore Diameter
2.0000 inches both ends
Hub Style Designator
Plain second end
Hub Diameter
2.997 inches second end
End Length
1.375 inches first end
End Diameter
2.997 inches first end
First Step Length
0.688 inches first end
First Step Diameter
4.125 inches first end
Special Features
Two counterweights, oil holes, timing marks
Material
Steel
Material Specification
Mil-s-890, class b military specification single material response
Style Designator
Protruding hubs
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
003910930
NSN
3020003910930

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3800004
Cage Code:
55380
Status:
A
MSDS:
Part Number:
3300004
Cage Code:
72915
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483409000
  • NAICS: 333612
  • SITC: 74840
  • Description: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3020-00-391-0930
What are the manufacturers of nsn 3020003910930?
Does this nsn 3020003910930 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020003910930
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:
Does nsn 3020003910930 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020003910930 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020003910930?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
App. Key:
AF
Cond. Code:
1
Status:
A

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