Helical Gear NSN 3020-01-060-4178

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: 3020-01-060-4178

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Features and Characteristics

Body Style

Webbed, solid

Spline Quantity

13 both ends

Attachment Method

Mounting hole

Pitch Diameter

2.6490 inches

Teeth Quantity

Bore Style

Involute spline both ends

Spline Pitch Diameter

0.8125 inches both ends

Mounting Hole Thread Series Designator

Unc transversely through hub, first end

Hardness Rating

38.0 rockwell c and 42.0 rockwell c

Mounting Hole Thread Size

0.138 inches transversely through hub, first end

Mounting Hole Type And Quantity

3 threaded transversely through hub, first end

Outside Diameter

2.773 inches

Teeth Type

Single helix

Tooth Form

Stub

Tooth Direction

Right

Pressure Angle

20.0000 degrees

Helix Angle

14.7000 degrees

Distance Between Body Face And Protruding Hub End

0.242 inches second end

Face Width

0.945 inches

Bore Diameter

0.943 inches both ends

Counterbore Depth

0.4300 inches second end

Hub Style Designator

Plain first end

Hub Diameter

1.500 inches second end

Precision Classification

Quality number 12

Special Features

Counterbore second end, dia. 0.877 in. , depth 0.430 in.

Material

Steel

Material Specification

Mil-s-5626, cond d military specification single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924, class 2 military specification single treatment response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

010604178

NSN

3020010604178

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

912624-1

Cage Code:

3B150

Status:

MSDS:

Part Number:

912624

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 3020-01-060-4178

What are the manufacturers of nsn 3020010604178?

Does this nsn 3020010604178 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020010604178
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 3020010604178 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020010604178 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020010604178?
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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