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Helical Gear NSN 3020-00-528-7128

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 3020-00-528-7128 NSN: 3020-00-528-7128

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Features and Characteristics

Body Style
Plain, solid
Pitch Diameter
4.6620 inches
Teeth Quantity
36
Bore Style
W/ keyway both ends
Hardness Rating
29.0 rockwell c and 32.0 rockwell c
Outside Diameter
4.866 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
39.5167 degrees
Face Width
1.374 inches
Bore Diameter
2.808 inches both ends
Keyway Width
0.377 inches both ends
Distance From Bore Center To Keyway Bottom
1.597 inches both ends
Special Features
P0.188 in. By 45 degrees chamfer one end of bore, two puller @holes 0.375-16 unc 2b thd located on 3.438 in. Diameter bolt circle, center punch for timing on center of tooth on centerline of keyway on opposite side from chamfer
Material
Steel comp 3140
Material Specification
Sae 3140 assn standard single material response
Style Designator
Hubless
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
005287128
NSN
3020005287128

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
88039B
Cage Code:
1ML14
Status:
A
MSDS:
Part Number:
7086953
Cage Code:
19207
Status:
A
MSDS:
Part Number:
BB23651
Cage Code:
56442
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 3020-00-528-7128
What are the manufacturers of nsn 3020005287128?
Does this nsn 3020005287128 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020005287128
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 3020005287128 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020005287128 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020005287128?
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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