Helical Gear NSN 3020-00-249-9949

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: 3020-00-249-9949

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Features and Characteristics

Body Style

Plain, solid

Pitch Diameter

2.3290 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Outside Diameter

2.4825 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

14.5000 degrees

Helix Angle

31.0000 degrees

Distance Between Body Face And Protruding Hub End

0.328 inches first end

Face Width

0.625 inches

Bore Diameter

1.3768 inches first end

Keyway Width

0.189 inches both ends

Distance From Bore Center To Keyway Bottom

0.7846 inches first end

Hub Style Designator

Plain first end

Hub Diameter

1.750 inches first end

Special Features

Uletter c marked on tooth 40 degrees ccw from centerline @of keyway, letter x marked on face 6-1/2 tooth spaces cw from letter c, three no. 8-32 nc by 1/4 in. Deep holes on 1-13/16 in. Diameter bolt circle equally @spaced on 2nd end of gear

Material

Steel comp 1140

Material Specification

Fed standard 66 federal standard single material response

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

002499949

NSN

3020002499949

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7008570

Cage Code:

19207

Status:

MSDS:

Part Number:

121012A

Cage Code:

64104

Status:

MSDS:

Part Number:

WPP710

Cage Code:

79172

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 3020-00-249-9949

What are the manufacturers of nsn 3020002499949?

U S Army Tank Automotive Command (19207)
Dresser, Inc. (64104)
Siemens Water Technologies Corp. (79172)

Does this nsn 3020002499949 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020002499949
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 3020002499949 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020002499949 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020002499949?
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
Quality Inspected Parts
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