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Shouldered Shaft NSN 3040-01-144-0554

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 3040-01-144-0554 NSN: 3040-01-144-0554

Features and Characteristics

First End Style
External threaded
End Similarity
Not identical
Second End Style
Cross drilled and externally threaded
Overall Length
Between 6.953 inches and 6.969 inches
First End Diameter
0.6250 inches
First End External Thread Length
Between 1.844 inches and 1.883 inches
Second End Diameter
Between 0.4500 inches and 0.4600 inches
Second End Hole Diameter
Between 0.1870 inches and 0.1920 inches
Second End Distance From Hole Center To End
Between 0.359 inches and 0.375 inches
Second End External Thread Length
Between 3.031 inches and 3.071 inches
Step Quantity
3
Largest Step Diameter
0.625 inches
Special Features
1st end thds 0.625-18 unf-2a rh; 2nd end thds 0.625-18 unf-2a lh; rc hardness 35-40; 0.125-0.141 in. R under center groove
Material
Steel comp 4130 or steel comp 4140
Material Specification
Sae assn standard single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011440554
NSN
3040011440554

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
931A412-22P1
Cage Code:
07482
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 3040-01-144-0554
What are the manufacturers of nsn 3040011440554?
Does this nsn 3040011440554 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011440554
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 3040011440554 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040011440554 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011440554?
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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