Sprocket Wheel NSN 3020-00-831-0254

Item Description

A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.

NSN: 3020-00-831-0254

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Features and Characteristics

Spline Major Diameter

Between 1.5500 inches and 1.5612 inches

Counterbore Diameter

Between 1.995 inches and 2.000 inches

Counterbore Depth

0.188 inches

Outside Diameter

Between 3.915 inches and 3.920 inches

Overall Length

2.438 inches

Spline Quantity

Spline Minor Diameter

Between 1.3750 inches and 1.3775 inches

Pitch Diameter

3.599 inches

Face Width

0.343 inches

Design Form

Plain

Bore Type

Involute spline

Spline Pressure Angle In Deg

30.0

Spline Length

2.250 inches

Counterbore Feature

Included

Spline Pitch Diameter

1.4375 inches

Counterbore Location

Bb end

Lightening Hole

Not included

Protruding Hub Characteristic

Stepped

Groove/step Location

Aa end

Belt/chain/film Size For Which Designed

Roller chain

Roller Chain Pitch Type For Which Designed

Single pitch

Teeth Row Quantity

Teeth Quantity Per Row

Asa Standard Chain Number

Hardness Rating Test Method

Not rated

Bore Bearing

Not included

Hub External Keyway

Not included

Tooth Pitch

0.625 inches

Hub End Outside Diameter And Location

2.375 inches bb end

Distance From Outside Flange/rim To Hub End And Location

1.016 inches bb end and 1.019 inches bb end

First Step Face Largest Diameter And Location

2.375 inches aa end

First Step Length And Location

0.500 inches aa end

Second Step Length And Location

0.578 inches aa end and 0.581 inches aa end

Hub End Outside Diameter And Location

1.995 inches aa end and 2.000 inches aa end

Special Features

Bb hub end tapered, 0.376 in. Taper lg, 2.250 in. Dia, small end of taper

Material

Steel, qq-s-681, class 120-95

Material

Steel comp 120-95

Material Specification

Qq-s-681, class 120-95 federal specification single material response

Surface Treatment

Phosphate

Style Designator

Plain

Surface Treatment

Phosphate

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

008310254

NSN

3020008310254

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7748531

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: 8483901000
NAICS: 333613
SITC: 74890
Description: Chain sprockets and parts thereof
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3020-00-831-0254

What are the manufacturers of nsn 3020008310254?

Army, United States Department Of (19204)

Does this nsn 3020008310254 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020008310254
A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. it is usually used for transmitting power.

Does nsn 3020008310254 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020008310254 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020008310254?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

04456

FIIG:

T353-C

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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