Shouldered Shaft NSN 3040-01-496-1890

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: 3040-01-496-1890

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Features and Characteristics

First End Style

Square (round corners)

End Similarity

Not identical

Second End Style

Circular grooved flat keyway and externally threaded

Second End Groove Width

0.3000 inches

Second End Groove Diameter

0.5900 inches

Overall Length

12.640 inches

First End Width Across Flats

Between 0.998 inches and 1.000 inches

End Application

Anchor & anchor chain securing mechanism assembly; w/s: los angeles class ssn (688)

First End Diameter

3.0000 inches

Second End Distance From End To Groove

1.340 inches

Second End Keyway Width

Between 0.3750 inches and 0.3770 inches

Second End External Keyway Length

Between 2.125 inches and 2.137 inches

Second End Keyway Depth

Between 0.197 inches and 0.213 inches

Second End Diameter

0.7500 inches

Second End External Thread Length

1.340 inches

Step Quantity

Largest Step Diameter

3.000 inches

First End Step Length

2.190 inches

Surface Finish

63.0 microinches

Special Features

Second end of shaft has 0.750-10 unc-2b threads; first end chamfered 0.060 inch x 45 degrees and second end chamfered 0.080 inch x 45 degrees

Material

Nickel alloy

Material Specification

Qq-n-286, form: 2, condition: annealed&age hardened, fin: b federal specification single material response

Specification Data

81348-qq-n-286, form: 2, condition: annealed & age hardened, finish: b government specification

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

014961890

NSN

3040014961890

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

581-6985420-8

Cage Code:

53711

Status:

MSDS:

Part Number:

218033192

Cage Code:

96169

Status:

MSDS:

Part Number:

H611-1404-8

Cage Code:

96169

Status:

MSDS:

Part Number:

581-6985420

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 3040-01-496-1890

What are the manufacturers of nsn 3040014961890?

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

Does this nsn 3040014961890 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040014961890
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 3040014961890 contain any precious metals?
No precious metal content.

Does nsn 3040014961890 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040014961890?
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
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