Helical Gear NSN 3020-00-391-0927

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: 3020-00-391-0927

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Features and Characteristics

Body Style

Webbed, with lightening holes

Pitch Diameter

10.8000 inches

Teeth Quantity

Bore Style

Plain both ends

Hardness Rating

10.0 rockwell c and 20.0 rockwell c

Outside Diameter

11.084 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

27.3217 degrees

Distance Between Body Face And Protruding Hub End

0.688 inches both ends

Face Width

2.000 inches

Bore Diameter

2.0000 inches both ends

Hub Style Designator

1 step both ends

End Length

1.375 inches both ends

End Diameter

2.997 inches both ends

First Step Length

0.063 inches both ends

First Step Diameter

4.125 inches both ends

Special Features

Two counterweights, bolts, nuts, oil holes in hub, fig 1 stamped between teeth on side of gear 170 degrees 57 min ccw from upper center line, fig 4 stamped between teeth on side @of gear 73 degrees @20 min ccw from fig 1

Material

Steel

Material Specification

Mil-s-890, class b military specification single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

003910927

NSN

3020003910927

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3300001

Cage Code:

55380

Status:

MSDS:

Part Number:

N29578PCA

Cage Code:

55380

Status:

MSDS:

Part Number:

N29978PCA

Cage Code:

55380

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 3020-00-391-0927

What are the manufacturers of nsn 3020003910927?

Hatch & Kirk, Inc. (55380)
General Motors Corp (72915)

Does this nsn 3020003910927 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020003910927
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 3020003910927 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020003910927 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020003910927?
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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