Helical Gear NSN 3020-00-353-8251

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: 3020-00-353-8251

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Features and Characteristics

Body Style

Webbed, with lightening holes

Pitch Diameter

13.4000 inches

Teeth Quantity

Bore Style

Plain both ends

Hardness Rating

8.0 rockwell c

Outside Diameter

13.6847 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

20.0000 degrees

Helix Angle

14.9167 degrees

Distance Between Body Face And Protruding Hub End

1.375 inches both ends

Face Width

2.500 inches

Bore Diameter

3.3475 inches first end

Hub Style Designator

1 step first end

End Length

1.625 inches first end

End Diameter

5.3715 inches first end

First Step Length

0.750 inches first end

First Step Diameter

6.500 inches first end

Special Features

Counterweights and rivets, match mark fig 4 77 degrees 34 min from center line, drill and tap 0.125 npt one hole 99 degrees from same center line, 4 holes 0.500-20 unf 3b in face of hub 2nd end, one groove 4.870 in. Diameter by 0.500 in. W on hub 2nd end

Material

Steel comp 1035

Material Specification

66 federal standard single material response and aisi/sae 1035 assn standard single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

003538251

NSN

3020003538251

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3239066

Cage Code:

55380

Status:

MSDS:

Part Number:

K-3239066

Cage Code:

18954

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 3020-00-353-8251

What are the manufacturers of nsn 3020003538251?

Does this nsn 3020003538251 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020003538251
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 3020003538251 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020003538251 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020003538251?
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
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