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Worm Wheel Gear NSN 3020-00-385-7976

Item Description

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

NSN 3020-00-385-7976 NSN: 3020-00-385-7976

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Features and Characteristics

Body Style
Spoked, offset
Spline Quantity
31 both ends
Pitch Diameter
5.8870 inches
Teeth Quantity
37
Face Type
Concave
Bore Style
Involute spline both ends
Spline Pitch Diameter
1.9375 inches both ends
Outside Diameter
6.165 inches
Tooth Direction
Left
Throat Radius
0.729 inches
Mating Thread Lead Quantity
6
Pressure Angle
28.0000 degrees
Helix Angle
30.0000 degrees
Distance Between Body Face And Protruding Hub End
0.519 inches first end
Face Width
0.968 inches
Bore Diameter
2.061 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.875 inches both ends
Special Features
Second end counterbore 2.125 in.Dia, 0.468in.Deep
Material
Copper alloy
Style Designator
Protruding hubs
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
003857976
NSN
3020003857976

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8404001
Cage Code:
19204
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 3020-00-385-7976
What are the manufacturers of nsn 3020003857976?
Does this nsn 3020003857976 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020003857976
A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. see also gear, antibacklash, worm wheel.
Does nsn 3020003857976 contain any precious metals?
No precious metal content.
Does nsn 3020003857976 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020003857976?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05468
FIIG:
A27300
App. Key:
AK
Cond. Code:
1
Status:
A

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