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Helical Gear NSN 3020-00-275-0988

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 3020-00-275-0988 NSN: 3020-00-275-0988

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Features and Characteristics

Body Style
Webbed, offset, solid
Pitch Diameter
4.7500 inches
Teeth Quantity
38
Bore Style
Plain both ends
Hardness Rating
10.0 rockwell c and 13.0 rockwell c
Outside Diameter
4.999 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
25.8167 degrees
Distance Between Body Face And Protruding Hub End
1.0625 inches first end
Face Width
1.2475 inches
Bore Diameter
0.7500 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.7475 inches both ends
Special Features
Athree oil holes 3/16 in.Dia, one located 5/8 in.Above centerline on hub end and drilled 2-3/4 in.Deep, two located hub side5/8 in.From first hub end and drilled to meet oil hole drilledin hub end
Material
Steel comp ez
Material Specification
Mil-s-869, class b military specification single material response
Style Designator
Protruding hubs
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
002750988
NSN
3020002750988

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3273838
Cage Code:
55380
Status:
A
MSDS:
Part Number:
K-3273838
Cage Code:
18954
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 3020-00-275-0988
What are the manufacturers of nsn 3020002750988?
Does this nsn 3020002750988 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020002750988
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 3020002750988 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020002750988 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020002750988?
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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