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Shouldered Shaft NSN 3040-00-702-1340

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 3040-00-702-1340 NSN: 3040-00-702-1340

Features and Characteristics

First End Style
Splined (straight)
End Similarity
Not identical
Second End Style
Splined (straight)
Overall Length
Between 48.969 inches and 49.031 inches
First End Diameter
Between 3.6950 inches and 3.7000 inches
First End Spline Length
3.500 inches
First End Spline Minor Diameter
Between 3.4610 inches and 3.4760 inches
First End Spline Major Diameter
Between 3.6950 inches and 3.7000 inches
Second End Diameter
Between 3.2480 inches and 3.2520 inches
Second End Spline Length
3.000 inches
Second End Spline Minor Diameter
Between 3.5610 inches and 3.5760 inches
Second End Spline Major Diameter
Between 3.7950 inches and 3.8800 inches
Step Quantity
2
First End Spline Quantity
36
Second End Spline Quantity
37
Largest Step Diameter
Between 3.795 inches and 3.800 inches
Surface Finish
63.0 microinches
Material
Steel
Fsc Application Data
Steam turbine
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
007021340
NSN
3040007021340

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1JH5106-7
Cage Code:
90099
Status:
A
MSDS:
Part Number:
H327849PC7
Cage Code:
80064
Status:
A
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 3040-00-702-1340
What are the manufacturers of nsn 3040007021340?
Does this nsn 3040007021340 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040007021340
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 3040007021340 contain any precious metals?
No precious metal content.
Does nsn 3040007021340 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040007021340?
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:
A
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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