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Helical Gear NSN 3020-00-275-8020

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 3020-00-275-8020 NSN: 3020-00-275-8020

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Features and Characteristics

Body Style
Plain, solid
Pitch Diameter
4.3137 inches
Teeth Quantity
25
Bore Style
W/ keyway both ends
Hardness Rating
46.0 rockwell c teeth and 52.0 rockwell c teeth
Outside Diameter
4.6470 inches
Nominallength
3.500 inches
Teeth Type
Double helix, solid
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Distance Between Body Face And Protruding Hub End
1.160 inches first end
Face Width
3.716 inches
Bore Diameter
2.500 inches both ends
Keyway Width
0.502 inches both ends
Distance From Bore Center To Keyway Bottom
1.482 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
3.750 inches first end
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Style Designator
Protruding hub
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
002758020
NSN
3020002758020

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5193322
Cage Code:
72582
Status:
A
MSDS:
Part Number:
GR879
Cage Code:
77873
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 3020-00-275-8020
What are the manufacturers of nsn 3020002758020?
Does this nsn 3020002758020 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020002758020
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 3020002758020 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020002758020 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020002758020?
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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