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Helical Gear NSN 3020-00-251-0872

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 3020-00-251-0872 NSN: 3020-00-251-0872

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Features and Characteristics

Body Style
Spoked
Pitch Diameter
12.1670 inches
Teeth Quantity
73
Bore Style
W/ keyway both ends
Outside Diameter
12.4320 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
23.0000 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches first end
Face Width
1.250 inches
Bore Diameter
3.4975 inches first end
Keyway Width
0.875 inches first end
Distance From Bore Center To Keyway Bottom
0.518 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
5.000 inches second end
Material
Steel
Material Specification
Mil-s-15083, grade b military specification single material response
Style Designator
One protruding hub, one flush hub
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
002510872
NSN
3020002510872

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C2531
Cage Code:
97578
Status:
A
MSDS:
Part Number:
N1262APC6
Cage Code:
97578
Status:
A
MSDS:
Part Number:
N16268ALTCPC6
Cage Code:
97578
Status:
A
MSDS:
Part Number:
N8350PC6
Cage Code:
97578
Status:
A
MSDS:
Part Number:
C2531-2
Cage Code:
97578
Status:
A
MSDS:
Part Number:
2531
Cage Code:
16603
Status:
A
MSDS:
Part Number:
C2531-1
Cage Code:
16603
Status:
A
MSDS:
Part Number:
N8352ALTAPC6
Cage Code:
16603
Status:
A
MSDS:
Part Number:
N12262APC6
Cage Code:
16603
Status:
A
MSDS:
Part Number:
N12925ALTAPC6
Cage Code:
16603
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 3020-00-251-0872
What are the manufacturers of nsn 3020002510872?
Does this nsn 3020002510872 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020002510872
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 3020002510872 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020002510872 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020002510872?
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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