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Shouldered Shaft NSN 3040-00-134-7971

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 3040-00-134-7971 NSN: 3040-00-134-7971

Features and Characteristics

First End Style
Hexagonal
End Similarity
Not identical
Second End Style
Externally and internally threaded
Overall Length
8.250 inches
First End Width Across Flats
1.125 inches
First End Diameter
Between 1.3730 inches and 1.3740 inches
Second End Diameter
0.7500 inches
Second End External Thread Length
0.750 inches
Step Quantity
6
Largest Step Diameter
3.000 inches
First End Step Length
Between 0.688 inches and 0.812 inches
Material
Steel
Material Specification
Qq-s-681 federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
001347971
NSN
3040001347971

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11623279
Cage Code:
19207
Status:
A
MSDS:
Part Number:
129E79
Cage Code:
1DF03
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 3040-00-134-7971
What are the manufacturers of nsn 3040001347971?
Does this nsn 3040001347971 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040001347971
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 3040001347971 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040001347971 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040001347971?
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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