Helical Gear NSN 3020-00-678-1388

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: 3020-00-678-1388

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Features and Characteristics

Body Style

Webbed, solid

Attachment Method

Mounting hole

Pitch Diameter

2.5842 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Backlash Designation

Grade a

Mounting Hole Thread Series Designator

Unc transversely through face

Mounting Hole Thready Qty Per Inch (tpi)

20 transversely through face

Mounting Hole Type And Quantity

2 threaded transversely through face

Outside Diameter

2.942 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Body Recess Depth

0.270 inches first end

Face Width

0.904 inches

Bore Diameter

1.250 inches both ends

Keyway Width

0.252 inches both ends

Distance From Bore Center To Keyway Bottom

0.745 inches both ends

Precision Classification

Quality number 12

Mounting Hole Diameter

0.250 inches transversely through face

Bolt Hole Circle Diameter

1.760 inches transversely through face

Material

Iron cast uns f12101

Material Specification

Qq-i-652, cl 30 federal specification single material response

Style Designator

Hubless, recessed body

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

006781388

NSN

3020006781388

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8754664

Cage Code:

19207

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 3020-00-678-1388

What are the manufacturers of nsn 3020006781388?

U S Army Tank Automotive Command (19207)

Does this nsn 3020006781388 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020006781388
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 3020006781388 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020006781388 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020006781388?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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