Helical Gear NSN 3020-01-414-7961

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: 3020-01-414-7961

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Features and Characteristics

Body Style

Plain, solid

End Application

Weapons system class ssn

Pitch Diameter

3.7314 inches

Teeth Quantity

Bore Style

10a w/ keyway both ends

Hardness Rating

52.0 rockwell c body and 63.0 rockwell c body

Outside Diameter

3.926 inches

Teeth Type

Single helix

Tooth Form

Stub

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

14.9166 degrees

Distance Between Body Face And Protruding Hub End

0.141 inches second end

Face Width

1.703 inches

Bore Diameter

1.576 inches both ends

Keyway Width

0.375 inches both ends

Distance From Bore Center To Keyway Bottom

0.956 inches both ends

Hub Style Designator

Plain second end

Hub Diameter

2.130 inches second end

Precision Classification

Accuracy grade 8

Special Features

Used on valve operator

Material

Steel comp 4320h

Material Specification

Astm a304 assn standard single material response

Surface Treatment

Carbon

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

014147961

NSN

3020014147961

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

845-6603150

Cage Code:

52676

Status:

MSDS:

Part Number:

845-6603141-72

Cage Code:

53711

Status:

MSDS:

Part Number:

6603150

Cage Code:

53711

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 3020-01-414-7961

What are the manufacturers of nsn 3020014147961?

Skf Usa Inc. (52676)
Naval Sea Systems Command (53711)

Does this nsn 3020014147961 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020014147961
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 3020014147961 contain any precious metals?
No precious metal content.

Does nsn 3020014147961 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020014147961?
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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