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Shouldered Shaft NSN 3040-01-237-6290

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 3040-01-237-6290 NSN: 3040-01-237-6290

Features and Characteristics

First End Style
Splined (straight)
End Similarity
Not identical
Second End Style
Splined (straight)
Overall Length
6.840 inches
First End Diameter
1.3782 inches
First End Spline Length
1.000 inches
First End Spline Minor Diameter
1.1745 inches
First End Spline Major Diameter
1.3720 inches
Second End Diameter
1.3782 inches
Second End Spline Length
1.188 inches
Second End Spline Minor Diameter
1.1745 inches
Second End Spline Major Diameter
1.3720 inches
Step Quantity
3
First End Spline Quantity
10
Second End Spline Quantity
10
Largest Step Diameter
1.750 inches
Surface Finish
32.0 microinches
Special Features
Drilled hole 2nd end 0.500 in. Dia, 13unc-2b, 1.250 in. Deep
Material
Steel comp 4140
Material Specification
Aisi 4140 assn standard single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
012376290
NSN
3040012376290

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
77832-60X9 PIECE 4
Cage Code:
96169
Status:
A
MSDS:
Part Number:
SSN637-701-2159985 PIECE 4
Cage Code:
80064
Status:
A
MSDS:
Part Number:
SSN637-701-2159985
Cage Code:
80064
Status:
A
MSDS:
Part Number:
77832-60X9
Cage Code:
96169
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 3040-01-237-6290
What are the manufacturers of nsn 3040012376290?
Does this nsn 3040012376290 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040012376290
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 3040012376290 contain any precious metals?
No precious metal content.
Does nsn 3040012376290 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040012376290?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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