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Shouldered Shaft NSN 3040-01-079-8348

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 3040-01-079-8348 NSN: 3040-01-079-8348

Features and Characteristics

First End Style
Splined (straight)
End Similarity
Not identical
Second End Style
Splined (straight)
Overall Length
12.873 inches
First End Diameter
2.4950 inches
First End Spline Length
3.299 inches
First End Spline Minor Diameter
2.1440 inches
First End Spline Major Diameter
2.4950 inches
Second End Diameter
3.4340 inches
Second End Spline Length
Any acceptable
Second End Spline Minor Diameter
Any acceptable
Second End Spline Major Diameter
3.4340 inches
Step Quantity
6
First End Spline Quantity
10
Second End Spline Quantity
20
Largest Step Diameter
3.968 inches
Surface Finish
32.0 microinches
Special Features
Bfirst end contains 2 threaded end holes, 0.500-20 nf, 0.875 in. Lg, second end has 1.625 in. Diameter hole, 3.500 in. Lg, countersunk 1.750 in. Dia, 2.0000 in. Lg, also has grooves on both ends of major dia
Material
Steel
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
010798348
NSN
3040010798348

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
18143FX2
Cage Code:
45152
Status:
A
MSDS:
Part Number:
18143F2W
Cage Code:
45152
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 3040-01-079-8348
What are the manufacturers of nsn 3040010798348?
Does this nsn 3040010798348 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040010798348
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 3040010798348 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040010798348 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040010798348?
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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