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Shouldered Shaft NSN 3040-00-776-3323

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 3040-00-776-3323 NSN: 3040-00-776-3323

Features and Characteristics

First End Style
Splined (straight)
End Similarity
Not identical
Second End Style
Splined (straight)
Overall Length
Between 8.430 inches and 8.450 inches
First End Diameter
0.4345 inches
First End Spline Length
Between 0.670 inches and 0.690 inches
First End Spline Minor Diameter
0.3567 inches
First End Spline Major Diameter
0.4345 inches
Second End Diameter
0.5387 inches
Second End Spline Length
Between 0.400 inches and 0.420 inches
Second End Spline Minor Diameter
0.4369 inches
Second End Spline Major Diameter
0.5387 inches
Step Quantity
4
First End Spline Quantity
13
Second End Spline Quantity
12
Largest Step Diameter
0.538 inches
Special Features
1st step both ends copper plated; rockwell c hardness 88-90 1st step both ends; casehardened
Material
Steel
Material Specification
Ams 6448 assn standard single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
007763323
NSN
3040007763323

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
373019-1
Cage Code:
99193
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 3040-00-776-3323
What are the manufacturers of nsn 3040007763323?
Does this nsn 3040007763323 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040007763323
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 3040007763323 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040007763323 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040007763323?
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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