Helical Gear NSN 3020-00-540-4040

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: 3020-00-540-4040

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Features and Characteristics

Body Style

Plain, solid

Pitch Diameter

3.7592 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Hardness Rating

6.4 rockwell c and 17.5 rockwell c

Outside Diameter

3.957 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

14.5000 degrees

Helix Angle

39.5167 degrees

Face Width

1.498 inches

Bore Diameter

1.934 inches both ends

Keyway Width

1.091 inches both ends

Distance From Bore Center To Keyway Bottom

1.095 inches both ends

Special Features

L5/32 to 1/8 in. By 45 degrees chamfer one end of bore, two holes 5/16 in. By 7/8 in. Deep, tapped 3/8-16 thd size by 5/8 in. Deep, located 90 degrees from keyway on 2-5/8 in. Bolt circle diameter counter sink 7/16 in. By 90 deg

Material

Steel comp 4140

Material Specification

66 federal standard single material response and aisi/sae 4140 assn standard single material response

Style Designator

Hubless

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

005404040

NSN

3020005404040

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

80041B

Cage Code:

5RQL2

Status:

MSDS:

Part Number:

80041A

Cage Code:

1ML14

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 3020-00-540-4040

What are the manufacturers of nsn 3020005404040?

Does this nsn 3020005404040 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020005404040
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 3020005404040 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020005404040 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020005404040?
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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