Shouldered Shaft NSN 3040-01-121-0601

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: 3040-01-121-0601

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Features and Characteristics

First End Style

Two circular grooves and splined (straight_)

First End Groove Width

0.1900 inches

First End Groove Diameter

Between 0.4672 inches and 0.4688 inches

End Similarity

Not identical

Second End Style

Circular grooved, cross drilled hole, and externally threaded

Second End Groove Width

0.1560 inches

Second End Groove Diameter

Between 0.3845 inches and 0.3855 inches

Overall Length

9.683 inches

End Application

Used on jacketwater pump 7l4823 onboard 270 ft wmec coast guard vessels

First End Distance From End To Groove

1.060 inches

First End Diameter

0.7640 inches

First End Spline Length

1.060 inches

First End Spline Minor Diameter

0.6200 inches

First End Spline Major Diameter

Between 0.6700 inches and 0.6760 inches

First End Distance Between First And Second Groove Centers

1.562 inches

Second End Distance From End To Groove

0.806 inches

Second End Diameter

0.4930 inches

Second End Hole Diameter

0.1410 inches

Second End Distance From Hole Center To End

0.170 inches

Second End External Thread Length

0.614 inches

Second End Hole Depth

0.500 inches

Step Quantity

First End Spline Quantity

Largest Step Diameter

Between 1.247 inches and 1.253 inches

Material

Steel

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

011210601

NSN

3040011210601

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1N7173

Cage Code:

11083

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 3040-01-121-0601

What are the manufacturers of nsn 3040011210601?

Caterpillar Inc. (11083)

Does this nsn 3040011210601 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040011210601
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 3040011210601 contain any precious metals?
No precious metal content.

Does nsn 3040011210601 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040011210601?
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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