Shouldered Shaft NSN 3040-01-498-9946

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: 3040-01-498-9946

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Features and Characteristics

First End Style

Splined (straight)

End Similarity

Identical

Second End Style

Straight splined and externally threaded

Overall Length

33.750 inches

End Application

Main ballast tank vent valve assembly for los angeles class submarine (688)

First End Diameter

Between 2.4930 inches and 2.4940 inches

First End Spline Length

10.120 inches

First End Spline Minor Diameter

Between 2.1280 inches and 2.1430 inches

First End Spline Major Diameter

Between 2.4930 inches and 2.4940 inches

Second End Diameter

1.7500 inches

Second End Spline Length

4.130 inches

Second End Spline Minor Diameter

Between 2.1280 inches and 2.1430 inches

Second End Spline Major Diameter

Between 2.4930 inches and 2.4940 inches

Second End External Thread Length

2.625 inches

Step Quantity

First End Spline Quantity

Second End Spline Quantity

Largest Step Diameter

Between 2.495 inches and 2.497 inches

Surface Finish

32.0 microinches

Part Name Assigned By Controlling Agency

Shaft

Special Features

Next higher assembly: motor assembly wp. 0.125 wide x 1.500 diameter groove is provided between 1.750-5unc-3a threads and straight spline on second end of shaft; sae 10 b splines are on both ends in-line

Material

Nickel alloy k-500

Material Specification

Qq-n-286 form 2, cond annealed & age hardened finish b federal specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

014989946

NSN

3040014989946

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

563-7066807-49

Cage Code:

53711

Status:

MSDS:

Part Number:

H552-0602-49

Cage Code:

96169

Status:

MSDS:

Part Number:

563-7066807

Cage Code:

53711

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 3040-01-498-9946

What are the manufacturers of nsn 3040014989946?

Naval Sea Systems Command (53711)
Electric Boat Corporation (96169)

Does this nsn 3040014989946 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040014989946
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 3040014989946 contain any precious metals?
No precious metal content.

Does nsn 3040014989946 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040014989946?
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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