Helical Gear NSN 3020-00-446-9989

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: 3020-00-446-9989

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Features and Characteristics

Body Style

Webbed, offset, with lightening holes

Attachment Method

Mounting hole

Pitch Diameter

7.0000 inches

Teeth Quantity

Bore Style

Plain both ends

Mounting Hole Thread Series Designator

Unc axially through body, first end

Hardness Rating

293.0 brinell standard and 331.0 brinell standard

Mounting Hole Thread Size

0.500 inches axially through body, first end

Mounting Hole Type And Quantity

3 threaded axially through body, first end

Outside Diameter

7.200 inches

Teeth Type

Single helix

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Helix Angle

23.9000 degrees

Body Recess Depth

1.125 inches first end

Face Width

1.750 inches

Bore Diameter

3.625 inches both ends

Material

Steel

Style Designator

Hubless, recessed body

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

004469989

NSN

3020004469989

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

838-739-041

Cage Code:

51729

Status:

MSDS:

Part Number:

838-740-041

Cage Code:

51729

Status:

MSDS:

Part Number:

838-739-041AND838-740-041

Cage Code:

51729

Status:

MSDS:

Part Number:

2R602PC27

Cage Code:

51729

Status:

MSDS:

Part Number:

838-739-041 AND 838-740-041

Cage Code:

0DFD9

Status:

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 3020-00-446-9989

What are the manufacturers of nsn 3020004469989?

Dresser, Inc. (51729)
Dresser-rand Company (0DFD9)

Does this nsn 3020004469989 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020004469989
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 3020004469989 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020004469989 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020004469989?
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:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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