Spur Gear NSN 3020-00-673-1249

Item Description

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

NSN: 3020-00-673-1249

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

3.3750 inches

Teeth Quantity

270

Bore Style

W/counterbore both ends

Mounting Hole Thread Series Designator

Unf axially through hub, first end

Mounting Hole Thread Size

0.060 inches axially through hub, first end

Mounting Hole Type And Quantity

4 threaded axially through hub, first end

Outside Diameter

3.400 inches

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.532 inches first end

Face Width

0.127 inches

Bore Diameter

2.250 inches both ends

Counterbore Depth

0.766 inches first end

Counterbore Diameter

2.443 inches first end

Hub Style Designator

Plain second end

Hub Diameter

2.687 inches first end

First Groove Width

0.282 inches first end

First Groove Diameter

2.672 inches first end

Distance From End To First Groove

0.125 inches first end

Material

Aluminum alloy 6061

Material Specification

Qq-a-250/11, t6 federal specification single material response

Surface Treatment

Anodize

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

006731249

NSN

3020006731249

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

544-3525-003

Cage Code:

13499

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 3020-00-673-1249

What are the manufacturers of nsn 3020006731249?

Rockwell Collins, Inc. (13499)

Does this nsn 3020006731249 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020006731249
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. see also gear, antibacklash, spur. for bulk material, see rod, pinion.

Does nsn 3020006731249 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020006731249 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020006731249?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05466

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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