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Shouldered Shaft NSN 3040-00-003-0512

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 3040-00-003-0512 NSN: 3040-00-003-0512

Features and Characteristics

First End Style
Splined (involute)
End Similarity
Not identical
Second End Style
Circular grooved and externally threaded
Second End Groove Diameter
0.1910 inches
Overall Length
4.8600 inches
First End Diameter
0.3745 inches
First End Spline Length
0.8500 inches
First End Spline Minor Diameter
0.2813 inches
First End Spline Major Diameter
0.3745 inches
First End Pressure Angle
30.0 degrees
First End Pitch Diameter
0.3438 inches
Second End Distance From End To Groove
3.3600 inches
Second End Diameter
0.2500 inches
Second End External Thread Length
0.2500 inches
Step Quantity
13
First End Spline Quantity
10
Largest Step Diameter
0.5000 inches
Material
Steel
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
000030512
NSN
3040000030512

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51M20603-13
Cage Code:
61174
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 3040-00-003-0512
What are the manufacturers of nsn 3040000030512?
Does this nsn 3040000030512 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040000030512
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 3040000030512 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040000030512 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040000030512?
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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