Gear Cluster NSN 3020-00-021-6659

Item Description

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes gear subassembly, speed decreaser.

NSN: 3020-00-021-6659

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Features and Characteristics

Attachment Method

Mounting hole

Bore Style

Plain both ends

Design Type

Spur second gear

Construction

Assembled

Thread Size

0.112 inches both ends

Outside Diameter

0.477 inches fourth gear

Nominallength

0.438 inches

Hub Length

0.126 inches between first and second gear

Bore Diameter

0.250 inches both ends

Precision Classification

Quality number 10 first gear or quality number 11 first gear

Material

Steel comp 303se shaft/hub

Material Specification

Qq-a-225/6, alloy 2024, t4 federal specification single material response second gear

Surface Treatment

Passivate second gear

Surface Treatment Specification

Mil-s-5002 military specification single treatment response second gear

Thread Series Designator

Unc both ends

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

000216659

NSN

3020000216659

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

501-150CM154-21

Cage Code:

01351

Status:

MSDS:

Part Number:

10131630

Cage Code:

18876

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 3020-00-021-6659

What are the manufacturers of nsn 3020000216659?

Southern Gear & Machine, Inc. (01351)
U S Army Aviation And Missile (18876)

Does this nsn 3020000216659 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020000216659
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. it may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. it is designed to mount on a shaft. for items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). excludes gear subassembly, speed decreaser.

Does nsn 3020000216659 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020000216659 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020000216659?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

36636

FIIG:

A270A0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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