Helical Gear NSN 3020-01-494-4274

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: 3020-01-494-4274

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Features and Characteristics

Body Style

Plain, solid

Spline Quantity

32 both ends

Attachment Method

Mounting hole

End Application

Gearbox, rammer drive

Pitch Diameter

Between 6.1900 inches and 6.2100 inches

Teeth Quantity

Bore Style

Involute spline both ends

Spline Pitch Diameter

2.0000 inches both ends

Mounting Hole Type And Quantity

2 plain axially through flange

Outside Diameter

9.0000 inches

Teeth Type

Spiral

Tooth Direction

Right

Pressure Angle

10.0000 degrees and 25.0000 degrees

Distance Between Body Face And Protruding Hub End

0.458 inches between body and flange

Face Width

1.4000 inches

Bore Diameter

2.0500 inches both ends

Hub Style Designator

Plain both ends

Hub Diameter

2.500 inches both ends

Mounting Hole Diameter

0.350 inches axially through flange

Bolt Hole Circle Diameter

4.500 inches axially through flange

Part Name Assigned By Controlling Agency

Shaft, drive, rh

Special Features

Helicon gear with ratio 33.5: 1; mates with p/n h832-1662-3 (nsn 3040-01-494-3543) and -16 (cage 96169); matched pair h832-1662-3 & 4 nsn 3020-01-494-0562; next higher assembly nsn 3040-01-492-8053; used on nssn class submarine

Material

Steel comp e9310

Material Specification

Dod-f-24669/1 gr-9310 military specification single material response

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

014944274

NSN

3020014944274

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

H832-1662-4

Cage Code:

96169

Status:

MSDS:

Part Number:

7108115-4

Cage Code:

5G804

Status:

MSDS:

Part Number:

752-7068477-4

Cage Code:

53711

Status:

MSDS:

Part Number:

7068477

Cage Code:

53711

Status:

MSDS:

Part Number:

7108155-4

Cage Code:

5G804

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 3020-01-494-4274

What are the manufacturers of nsn 3020014944274?

Does this nsn 3020014944274 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020014944274
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 3020014944274 contain any precious metals?
No precious metal content.

Does nsn 3020014944274 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020014944274?
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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