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Helical Gear NSN 3020-00-718-2257

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 3020-00-718-2257 NSN: 3020-00-718-2257

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Features and Characteristics

Body Style
Plain, solid
Pitch Diameter
4.0000 inches
Teeth Quantity
28
Bore Style
Plain both ends
Features Provided
Casehardened
Outside Diameter
4.2150 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
23.0000 degrees
Distance Between Body Face And Protruding Hub End
0.531 inches first end
Face Width
1.063 inches
Bore Diameter
2.1562 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
3.094 inches first end
Special Features
First end hub is tapered, bore splined for shifting 2.219 in. Minor id, 2.438 in. Major id, 16 splines 0.312 in spiline lg
Material
Steel
Style Designator
Protruding hub
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
007182257
NSN
3020007182257

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B6T-7158-C
Cage Code:
57526
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 3020-00-718-2257
What are the manufacturers of nsn 3020007182257?
Does this nsn 3020007182257 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020007182257
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 3020007182257 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020007182257 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020007182257?
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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