Helical Gear NSN 3020-00-517-0639

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: 3020-00-517-0639

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Features and Characteristics

Body Style

Webbed, offset, solid

Pitch Diameter

5.4432 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Hardness Rating

12.7 rockwell c and 21.9 rockwell c

Outside Diameter

5.641 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

14.5000 degrees

Helix Angle

39.5167 degrees

Distance Between Body Face And Recessed Hub End

0.125 inches both ends

Face Width

0.875 inches

Bore Diameter

1.594 inches both ends

Keyway Width

0.189 inches both ends

Distance From Bore Center To Keyway Bottom

0.893 inches both ends

Hub Style Designator

Plain both ends

Hub Diameter

2.313 inches first end

Special Features

Timing mark 4 degrees 8 min 33 sec ccw from center line of keyway chamfer end, 0.062 in. By 30 degrees chamfer one @end of bore

Material

Steel

Style Designator

Recessed hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

005170639

NSN

3020005170639

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

27306B

Cage Code:

1ML14

Status:

MSDS:

Part Number:

51765

Cage Code:

04627

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 3020-00-517-0639

What are the manufacturers of nsn 3020005170639?

Does this nsn 3020005170639 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020005170639
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 3020005170639 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020005170639 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020005170639?
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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Certificate of Conformance
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