Helical Gear NSN 3020-00-385-7953

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: 3020-00-385-7953

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Features and Characteristics

Body Style

Webbed, solid

Spline Quantity

10 both ends

Pitch Diameter

3.4167 inches

Teeth Quantity

Bore Style

Straight spline both ends

Hardness Rating

33.0 rockwell c and 35.0 rockwell c

Outside Diameter

3.6667 inches

Nominallength

2.125 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

14.5000 degrees

Helix Angle

8.9583 degrees

Distance Between Body Face And Protruding Hub End

0.032 inches second end

Face Width

1.125 inches

Counterbore Depth

1.429 inches second end

Counterbore Diameter

1.125 inches second end

Hub Style Designator

Plain both ends

Hub Diameter

1.625 inches second end

Special Features

Spline minor dia. 1.025 in. Nom

Material

Steel comp 4142h

Material Specification

66 aisi/sae 4145 federal standard single material response

Surface Treatment

Phosphate

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

003857953

NSN

3020003857953

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8402616

Cage Code:

19204

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 3020-00-385-7953

What are the manufacturers of nsn 3020003857953?

Army, United States Department Of (19204)

Does this nsn 3020003857953 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020003857953
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 3020003857953 contain any precious metals?
No precious metal content.

Does nsn 3020003857953 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020003857953?
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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