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Shouldered Shaft NSN 3040-00-085-3551

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 3040-00-085-3551 NSN: 3040-00-085-3551

Features and Characteristics

First End Style
Externally threaded and flat keyway
End Similarity
Not identical
Second End Style
Slotted and internally threaded
Overall Length
2.500 inches
Second End Slot Width
0.120 inches
First End Keyway Width
0.6355 inches
First End External Keyway Length
0.860 inches
First End Keyway Depth
0.090 inches
First End Diameter
0.6855 inches
First End External Thread Length
0.548 inches
Second End Diameter
0.5904 inches
Second End Slot Depth
0.094 inches
Second End Internal Thread Length
0.375 inches
Step Quantity
6
Largest Step Diameter
1.000 inches
Special Features
First end has two same dimension keyways
Material
Steel comp 4140
Material Specification
Qq-s-624 federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
000853551
NSN
3040000853551

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8519969
Cage Code:
18876
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 3040-00-085-3551
What are the manufacturers of nsn 3040000853551?
Does this nsn 3040000853551 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040000853551
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 3040000853551 contain any precious metals?
No precious metal content.
Does nsn 3040000853551 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040000853551?
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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