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Helical Gear NSN 3020-00-541-3421

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 3020-00-541-3421 NSN: 3020-00-541-3421

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Features and Characteristics

Body Style
Plain, solid
Pitch Diameter
3.4999 inches
Teeth Quantity
27
Bore Style
W/ keyway both ends
Hardness Rating
19.0 rockwell c and 26.0 rockwell c
Outside Diameter
3.7200 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
31.0000 degrees
Face Width
0.875 inches
Bore Diameter
1.5003 inches both ends
Keyway Width
0.1574 inches both ends
Distance From Bore Center To Keyway Bottom
0.8321 inches both ends
Special Features
0.125 in. 45 degrees chamfer on 1st end of bore, timing mark 141 degrees 45 min cw from center of keyway
Material
Steel comp 1040
Material Specification
66 federal standard single material response
Style Designator
Hubless
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
005413421
NSN
3020005413421

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
610587
Cage Code:
0EXU3
Status:
A
MSDS:
Part Number:
26-309-1
Cage Code:
35301
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 3020-00-541-3421
What are the manufacturers of nsn 3020005413421?
Does this nsn 3020005413421 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020005413421
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 3020005413421 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020005413421 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020005413421?
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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