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Shouldered Shaft NSN 3040-01-287-4048

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 3040-01-287-4048 NSN: 3040-01-287-4048

Features and Characteristics

First End Style
Flat keyway
End Similarity
Not identical
Second End Style
Externally threaded and flat keyway
Overall Length
26.000 inches
First End Keyway Width
0.2500 inches
First End External Keyway Length
2.125 inches
First End Keyway Depth
0.1395 inches
First End Diameter
1.0025 inches
Second End Keyway Width
0.1875 inches
Second End External Keyway Length
0.594 inches
Second End Keyway Depth
0.111 inches
Second End Diameter
1.1730 inches
Second End External Thread Length
0.375 inches
Step Quantity
10
Largest Step Diameter
1.4365 inches
Surface Finish
8.0 microinches
Special Features
Used in auxiliary machinery cooling water pump, centrifugal
Material
Nickel alloy
Material Specification
Qq-n-286, class a federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
012874048
NSN
3040012874048

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4489817 PIECE 1
Cage Code:
81898
Status:
A
MSDS:
Part Number:
4489817
Cage Code:
81898
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 3040-01-287-4048
What are the manufacturers of nsn 3040012874048?
Does this nsn 3040012874048 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040012874048
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 3040012874048 contain any precious metals?
No precious metal content.
Does nsn 3040012874048 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040012874048?
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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