Helical Gear NSN 3020-00-851-4716

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: 3020-00-851-4716

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Features and Characteristics

Body Style

Plain, solid

Pitch Diameter

4.2000 inches

Teeth Quantity

Bore Style

10a w/ keyway both ends

Hardness Rating

77.0 rockwell c and 81.0 rockwell c

Outside Diameter

4.400 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

17.7528 degrees

Distance Between Body Face And Protruding Hub End

0.314 inches first end

Face Width

0.750 inches

Bore Diameter

2.566 inches both ends

Keyway Width

0.189 inches both ends

Distance From Bore Center To Keyway Bottom

1.385 inches both ends

Hub Style Designator

Plain first end

Hub Diameter

3.500 inches first end

Special Features

45 degrees 3.156 in. Diameter countersink in bore on 1st end, letter b stamped on center line of tooth 73 degrees 5 min 54 sec ccw from center line of keyway, letter c stamped on centerline of tooth 130 degrees 54 min 6 sec cw from center line of keyway

Material

Steel

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

008514716

NSN

3020008514716

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

4M9933

Cage Code:

11083

Status:

MSDS:

Part Number:

1634410

Cage Code:

19207

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 3020-00-851-4716

What are the manufacturers of nsn 3020008514716?

Caterpillar Inc. (11083)
U S Army Tank Automotive Command (19207)
Holt Bros (25496)

Does this nsn 3020008514716 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020008514716
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 3020008514716 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020008514716 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020008514716?
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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