Spur Gear NSN 3020-00-139-4538

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: 3020-00-139-4538

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

1.6667 inches

Teeth Quantity

120

Bore Style

Plain both ends

Mounting Hole Type And Quantity

4 plain axially through body, first end

Outside Diameter

1.699 inches

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.623 inches first end

Face Width

0.126 inches

Bore Diameter

0.250 inches both ends

Hub Style Designator

2 steps first end

End Length

0.125 inches second end

End Diameter

0.187 inches second end

First Step Length

0.375 inches first end

First Step Diameter

0.210 inches second end

Second Step Length

0.123 inches first end

Second Step Diameter

0.310 inches first end

Mounting Hole Diameter

0.375 inches axially through body, first end

Material

Steel comp 303 or steel comp 303se

Material Specification

Qq-s-764, type 303-canceled federal specification 1st material response or qq-s-764, type 303se-canceled federal specification 2nd material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072, finish e300 military specification single treatment response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

001394538

NSN

3020001394538

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

709-1100-021

Cage Code:

07421

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 3020-00-139-4538

What are the manufacturers of nsn 3020001394538?

Interstate Electronics Corporation (07421)

Does this nsn 3020001394538 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020001394538
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 3020001394538 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020001394538 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020001394538?
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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