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Shouldered Shaft NSN 3040-01-145-7656

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 3040-01-145-7656 NSN: 3040-01-145-7656

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Two flats
Overall Length
2.110 inches
First End Diameter
Between 0.2480 inches and 0.2500 inches
Second End Diameter
0.3750 inches
Step Quantity
2
Largest Step Diameter
0.375 inches
Second End Step Length
1.110 inches
Second End Angle Between Flats
180.0 degrees
Special Features
Second end bored, 1.000 in. Lg, 0.250/0.254 in. Dia; second end has unthd cross drilled through hole, 0.078/0.081 in. Dia, 0.240 in. Distance from hole c to end
Material
Steel comp 303se or steel comp 318
Material Specification
Qq-s-764, cond a federal specification all material responses
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011457656
NSN
3040011457656

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
401-6357195-7
Cage Code:
53711
Status:
A
MSDS:
Part Number:
401-4694985-7
Cage Code:
80064
Status:
A
MSDS:
Part Number:
401-4694985 ITEM 42
Cage Code:
94756
Status:
A
MSDS:
Part Number:
401-4694985
Cage Code:
96169
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 3040-01-145-7656
What are the manufacturers of nsn 3040011457656?
Does this nsn 3040011457656 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011457656
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 3040011457656 contain any precious metals?
No precious metal content.
Does nsn 3040011457656 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011457656?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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