Sprocket Wheel NSN 3020-00-139-0388

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: 3020-00-139-0388

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Features and Characteristics

Spline Major Diameter

Between 0.806 inches and 0.814 inches

Outside Diameter

Between 4.088 inches and 4.098 inches

Overall Length

Between 0.934 inches and 0.939 inches

Spline Quantity

Spline Minor Diameter

Between 0.719 inches and 0.722 inches

Pitch Diameter

3.831 inches

Face Width

Between 0.275 inches and 0.284 inches

Design Form

Plain

Bore Type

Involute spline

Spline Pressure Angle In Deg

30.0

Spline Length

Between 0.934 inches and 0.939 inches

Counterbore Feature

Not included

Spline Pitch Diameter

0.750 inches

Lightening Hole

Included

Protruding Hub Characteristic

Plain

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

40-1

Hardness Rating Test Method

Not rated

Bore Bearing

Not included

Hub External Keyway

Not included

Tooth Pitch

0.500 inches

Hub End Outside Diameter And Location

1.300 inches aa end

Distance From Outside Flange/rim To Hub End And Location

0.650 inches aa end and 0.664 inches aa end

Material

Aluminum alloy, qq-a-250/12, alloy 7075, t651

Material

Aluminum alloy 7075

Material Specification

Qq-a-250/12, alloy 7075, t651 federal specification single material response

Style Designator

Plain

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

001390388

NSN

3020001390388

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

42132-525

Cage Code:

00462

Status:

MSDS:

Part Number:

42132E525

Cage Code:

82402

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 3020-00-139-0388

What are the manufacturers of nsn 3020001390388?

Goodrich Corporation (00462)
Triumph Gear Systems, Inc. (82402)

Does this nsn 3020001390388 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020001390388
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 3020001390388 contain any precious metals?
No precious metal content.

Does nsn 3020001390388 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020001390388?
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
Quality Fast Service