Helical Gear NSN 3020-00-347-9380

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: 3020-00-347-9380

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

4.9520 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Mounting Hole Thread Series Designator

Unc axially through body, first end

Hardness Rating

32.0 rockwell c

Mounting Hole Thread Size

0.250 inches axially through body, first end

Mounting Hole Type And Quantity

2 threaded axially through body, first end

Outside Diameter

5.1995 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

10.1500 degrees

Distance Between Body Face And Protruding Hub End

2.313 inches first end

Face Width

1.000 inches

Bore Diameter

1.751 inches first end

Keyway Width

0.376 inches first end

Distance From Bore Center To Keyway Bottom

1.048 inches first end

Hub Style Designator

2 steps first end

End Length

0.750 inches first end

End Diameter

2.372 inches first end

First Step Length

0.923 inches first end

First Step Diameter

2.363 inches first end

Second Step Length

0.640 inches first end

Second Step Diameter

2.750 inches first end

Bolt Hole Circle Diameter

3.500 inches axially through body, first end

Special Features

One mtg hole on tops keyway, one mtg hole 180 dep apart

Material

Steel comp 4140

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

003479380

NSN

3020003479380

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7776C35

Cage Code:

82402

Status:

MSDS:

Part Number:

77923

Cage Code:

86768

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 3020-00-347-9380

What are the manufacturers of nsn 3020003479380?

Triumph Gear Systems, Inc. (82402)
Teledyne Industries Inc (86768)

Does this nsn 3020003479380 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020003479380
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 3020003479380 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020003479380 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020003479380?
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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