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Shouldered Shaft NSN 3040-01-449-2740

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 3040-01-449-2740 NSN: 3040-01-449-2740

Features and Characteristics

First End Style
Indented flat keyway
End Similarity
Not identical
Second End Style
Tongue rounded ends
Overall Length
21.1500 inches
End Application
Seawolf class ssn
First End Keyway Width
0.7510 inches
First End External Keyway Length
3.7650 inches
First End Keyway Depth
0.4310 inches
First End Distance From Keyway Center To End
3.2930 inches
First End Diameter
3.0000 inches
Second End Tongue Thickness
1.5080 inches
Second End Tongue Width
4.5000 inches
Second End Diameter
4.5000 inches
Step Quantity
4
Largest Step Diameter
4.5000 inches
Second End Step Length
0.7515 inches
Material
Nickel alloy
Material Specification
Qq-n-286, form 2, cond anl federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
014492740
NSN
3040014492740

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
167-6404610-64
Cage Code:
53711
Status:
A
MSDS:
Part Number:
6404610
Cage Code:
53711
Status:
A
MSDS:
Part Number:
DF1502-238 FIND 64
Cage Code:
43689
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 3040-01-449-2740
What are the manufacturers of nsn 3040014492740?
Does this nsn 3040014492740 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040014492740
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 3040014492740 contain any precious metals?
No precious metal content.
Does nsn 3040014492740 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040014492740?
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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