Internal Gear NSN 3020-00-755-4899

Item Description

A gear with teeth formed on the inner surface of a cylinder or cone.

NSN: 3020-00-755-4899

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

4.0000 inches

Teeth Quantity

Hardness Rating

33.0 rockwell c and 38.0 rockwell c

Mounting Hole Type And Quantity

6 plain axially through flange

Outside Diameter

4.594 inches

Nominallength

1.442 inches

Teeth Type

Spur

Tooth Form

Standard

Flange Diameter

5.217 inches

Pressure Angle

20.0000 degrees

Flange Thickness

0.195 inches

Precision Classification

Quality number 10

Mounting Hole Diameter

0.261 inches axially through flange and 0.276 inches axially through flange

Bolt Hole Circle Diameter

4.750 inches axially through flange

Special Features

Flange relieved, 0.195 in. Min to 0.200 in.Max from flange end, 0.490 in.Min to 0.515 in. Max w, 0.2006 in. Minto 0.2029 in. Max depth, flat groove onod of gear body, 0.985 in. From flange end, 0.141 in.Min to 0.146 in.Max w, 0.087 in.Min to 0.091 in.Max depth, circular groove on od gear body, center line of groove 1.150 in. Min to 1.152 in. Max from flange end, 0.407 in. Min to 0.408 in.Max center line depth of groove, 32 microinch aa finish on circular groove and flange releaved surfaces, 63microinch aa finish on gear teeth surfaces

Material

Steel comp 410

Surface Treatment

Passivate

Style Designator

Flanged ring

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

007554899

NSN

3020007554899

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

11014621

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 3020-00-755-4899

What are the manufacturers of nsn 3020007554899?

Army, United States Department Of (19204)

Does this nsn 3020007554899 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020007554899
A gear with teeth formed on the inner surface of a cylinder or cone.

Does nsn 3020007554899 contain any precious metals?
No precious metal content.

Does nsn 3020007554899 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020007554899?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05465

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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