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Shouldered Shaft NSN 3040-01-286-5751

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 3040-01-286-5751 NSN: 3040-01-286-5751

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Splined (involute)
Overall Length
Between 19.300 inches and 19.320 inches
End Application
2520-01-274-6449
First End Diameter
Between 0.9800 inches and 1.0100 inches
Second End Diameter
Between 1.5190 inches and 1.5195 inches
Second End Spline Length
Between 1.160 inches and 1.180 inches
Second End Spline Minor Diameter
1.3390 inches
Second End Spline Major Diameter
Between 1.4800 inches and 1.4900 inches
Second End Pressure Angle
30.0 degrees
Second End Pitch Diameter
1.4375 inches
Step Quantity
6
Second End Spline Quantity
23
Largest Step Diameter
1.672 inches
Surface Finish
125.0 microinches
Material
Steel comp 4140
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
012865751
NSN
3040012865751

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12364318
Cage Code:
19207
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 3040-01-286-5751
What are the manufacturers of nsn 3040012865751?
Does this nsn 3040012865751 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040012865751
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 3040012865751 contain any precious metals?
No precious metal content.
Does nsn 3040012865751 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040012865751?
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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