Internal Gear NSN 3020-01-414-7959

Item Description

A gear with teeth formed on the inner surface of a cylinder or cone.

NSN: 3020-01-414-7959

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Features and Characteristics

Body Style

Webbed, offset, solid

End Application

Weapons system seawolf class ssn

Pitch Diameter

9.2500 inches

Teeth Quantity

Bore Style

W/counterbore second end

Hardness Rating

28.0 rockwell c body and 48.0 rockwell c body

Outside Diameter

10.630 inches

Nominallength

5.336 inches

Teeth Type

Spur

Tooth Form

Stub

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

2.894 inches second end

Face Width

1.630 inches

Bore Diameter

4.500 inches second end

Counterbore Depth

0.943 inches counter bore, second end

Counterbore Diameter

4.801 inches counter bore, second end

Hub Style Designator

2 grooves second end

Hub Diameter

5.750 inches second end

Precision Classification

Accuracy grade 10

First Groove Width

0.120 inches

First Groove Diameter

5.720 inches second end

Distance From End To First Groove

0.390 inches

Second Groove Width

0.220 inches second end

Second Groove Diameter

5.720 inches second end

Distance From End To Second Groove

2.122 inches

Special Features

Hub end external threaded 5.750-12 un-2a, and 60 splines between first and second groove, gear used on valve operator

Material

Steel comp 4140 and steel comp 4142

Material Specification

Astm a322 assn standard single material response

Style Designator

Solid back ring, protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

014147959

NSN

3020014147959

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

845-6556499

Cage Code:

53711

Status:

MSDS:

Part Number:

835-6556499

Cage Code:

53711

Status:

MSDS:

Part Number:

845-6603141-50

Cage Code:

53711

Status:

MSDS:

Part Number:

6556499

Cage Code:

53711

Status:

MSDS:

Part Number:

6603141

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 3020-01-414-7959

What are the manufacturers of nsn 3020014147959?

Naval Sea Systems Command (53711)

Does this nsn 3020014147959 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020014147959
A gear with teeth formed on the inner surface of a cylinder or cone.

Does nsn 3020014147959 contain any precious metals?
No precious metal content.

Does nsn 3020014147959 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020014147959?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05465

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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