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Shouldered Shaft NSN 3040-01-498-9946

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 3040-01-498-9946 NSN: 3040-01-498-9946

Features and Characteristics

First End Style
Splined (straight)
End Similarity
Identical
Second End Style
Straight splined and externally threaded
Overall Length
33.750 inches
End Application
Main ballast tank vent valve assembly for los angeles class submarine (688)
First End Diameter
Between 2.4930 inches and 2.4940 inches
First End Spline Length
10.120 inches
First End Spline Minor Diameter
Between 2.1280 inches and 2.1430 inches
First End Spline Major Diameter
Between 2.4930 inches and 2.4940 inches
Second End Diameter
1.7500 inches
Second End Spline Length
4.130 inches
Second End Spline Minor Diameter
Between 2.1280 inches and 2.1430 inches
Second End Spline Major Diameter
Between 2.4930 inches and 2.4940 inches
Second End External Thread Length
2.625 inches
Step Quantity
7
First End Spline Quantity
10
Second End Spline Quantity
10
Largest Step Diameter
Between 2.495 inches and 2.497 inches
Surface Finish
32.0 microinches
Part Name Assigned By Controlling Agency
Shaft
Special Features
Next higher assembly: motor assembly wp. 0.125 wide x 1.500 diameter groove is provided between 1.750-5unc-3a threads and straight spline on second end of shaft; sae 10 b splines are on both ends in-line
Material
Nickel alloy k-500
Material Specification
Qq-n-286 form 2, cond annealed & age hardened finish b federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
014989946
NSN
3040014989946

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
563-7066807-49
Cage Code:
53711
Status:
A
MSDS:
Part Number:
H552-0602-49
Cage Code:
96169
Status:
A
MSDS:
Part Number:
563-7066807
Cage Code:
53711
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 3040-01-498-9946
What are the manufacturers of nsn 3040014989946?
Does this nsn 3040014989946 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040014989946
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 3040014989946 contain any precious metals?
No precious metal content.
Does nsn 3040014989946 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040014989946?
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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