Spur Gear NSN 3020-00-051-1388

Item Description

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

NSN: 3020-00-051-1388

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

1.8750 inches

Teeth Quantity

120

Bore Style

Plain both ends

Mounting Hole Thread Series Designator

Unc transversely through hub between firstend flange and body

Hardness Rating

28.0 rockwell c and 34.0 rockwell c

Mounting Hole Thread Size

0.086 inches transversely through hub between firstend flange and body

Mounting Hole Type And Quantity

2 counterbored axially through body, first end and 3 threaded axially through body, first end

Outside Diameter

1.905 inches

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.344 inches first end

Face Width

0.093 inches

Bore Diameter

0.187 inches both ends

Hub Style Designator

1 step first end

End Length

0.125 inches first end

Precision Classification

Quality number 10

End Diameter

0.250 inches first end

First Step Length

0.2187 inches first end

First Step Diameter

0.375 inches first end

Mounting Hole Diameter

0.114 inches axially through body, first end

Bolt Hole Circle Diameter

0.375 inches axially through body, first end and 1.124 inches axially through body, first end

Material

Steel comp 302

Material Specification

Qq-s-763, class302 federal specification single material response

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

000511388

NSN

3020000511388

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1666778PC1

Cage Code:

10001

Status:

MSDS:

Part Number:

31491030P1

Cage Code:

3B150

Status:

MSDS:

Part Number:

3149-1030P1

Cage Code:

49956

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 3020-00-051-1388

What are the manufacturers of nsn 3020000511388?

Does this nsn 3020000511388 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020000511388
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. see also gear, antibacklash, spur. for bulk material, see rod, pinion.

Does nsn 3020000511388 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020000511388 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020000511388?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05466

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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