Helical Gear NSN 3020-00-204-0154

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: 3020-00-204-0154

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Features and Characteristics

Body Style

Webbed, offset, solid

Pitch Diameter

2.0234 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Hardness Rating

16.0 rockwell c and 26.0 rockwell c

Outside Diameter

7.220 inches

Nominallength

1.375 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

14.5000 degrees

Helix Angle

39.4500 degrees

Distance Between Body Face And Protruding Hub End

0.109 inches both ends

Distance Between Body Face And Recessed Hub End

0.171 inches second end

Face Width

1.125 inches

Bore Diameter

1.249 inches both ends

Keyway Width

0.252 inches both ends

Distance From Bore Center To Keyway Bottom

0.745 inches both ends

Hub Style Designator

Plain both ends

Hub Diameter

2.375 inches first end

Special Features

Timing mark on 25 tooth cw from center of keyway, both chamfers 1/16 in. By 45 degrees opposite timing mark, timing mark between 4 and 5 tooth, ccw from center of keyway

Material

Iron

Style Designator

One protruding hub, one recessed hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

002040154

NSN

3020002040154

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

251658R1

Cage Code:

29510

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 3020-00-204-0154

What are the manufacturers of nsn 3020002040154?

Does this nsn 3020002040154 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020002040154
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 3020002040154 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020002040154 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020002040154?
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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