Shouldered Shaft NSN 3040-01-261-2549

Item Description

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.

NSN: 3040-01-261-2549

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Features and Characteristics

First End Style

Splined (involute)

End Similarity

Not identical

Second End Style

Circular grooved and externally threaded

Second End Groove Width

Between 0.1560 inches and 0.1700 inches

Second End Groove Diameter

Between 2.8790 inches and 2.8810 inches

Overall Length

31.912 inches

First End Diameter

Between 2.8240 inches and 2.8640 inches

First End Spline Length

2.281 inches

First End Spline Minor Diameter

Between 2.6330 inches and 2.6460 inches

First End Spline Major Diameter

Between 2.8077 inches and 2.8127 inches

First End Pressure Angle

30.0 degrees

First End Pitch Diameter

2.7500 inches

Second End Distance From End To Groove

0.273 inches

Second End Diameter

3.2500 inches

Second End External Thread Length

Between 0.605 inches and 0.645 inches

Step Quantity

First End Spline Quantity

Largest Step Diameter

Between 3.474 inches and 3.479 inches

Surface Finish

63.0 microinches

Material

Aluminum alloy 6061

Material Specification

Qq-a-225, t6 federal specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

012612549

NSN

3040012612549

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2500992

Cage Code:

10001

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8483105000
NAICS: 333613
SITC: 74810
Description: Transmission shafts and cranks, except camshafts and crankshafts
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3040-01-261-2549

What are the manufacturers of nsn 3040012612549?

Navair And Navsea Managed (10001)

Does this nsn 3040012612549 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040012612549
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. it must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. the ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. it is not designed for use in aligning by fitting into corresponding holes of another item. for items used to support rotating members see axle(1), shouldered. for items not having any of the above conditions see pin, shoulder, headless. excludes shaft(1), straight; and axle(1), straight.

Does nsn 3040012612549 contain any precious metals?
No precious metal content.

Does nsn 3040012612549 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040012612549?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

22914

FIIG:

A23200

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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