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Shouldered Shaft NSN 3040-00-657-8520

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 3040-00-657-8520 NSN: 3040-00-657-8520

Features and Characteristics

First End Style
Circular grooved
First End Groove Width
0.1000 inches
First End Groove Diameter
1.8340 inches
End Similarity
Not identical
Second End Style
Splined (straight)
Overall Length
21.125 inches
First End Distance From End To Groove
0.143 inches
First End Diameter
1.9684 inches
Second End Diameter
2.2440 inches
Second End Spline Length
3.750 inches
Second End Spline Minor Diameter
1.8880 inches
Second End Spline Major Diameter
2.2440 inches
Step Quantity
5
Second End Spline Quantity
6
Largest Step Diameter
Between 3.145 inches and 3.150 inches
Material
Steel
Material Specification
Aisi 3130 assn standard single material response or qq-s-624, fs4150h federal specification single material response
Fsc Application Data
Transmission input shaft, tractor 18 ton
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
006578520
NSN
3040006578520

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6578520
Cage Code:
19207
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 3040-00-657-8520
What are the manufacturers of nsn 3040006578520?
Does this nsn 3040006578520 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040006578520
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 3040006578520 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040006578520 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040006578520?
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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