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Shouldered Shaft NSN 3040-00-740-9644

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 3040-00-740-9644 NSN: 3040-00-740-9644

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Cross drilled and externally threaded
Overall Length
28.203 inches
First End Diameter
2.6890 inches
Second End Diameter
1.2500 inches
Second End Hole Diameter
0.0940 inches
Second End Distance From Hole Center To End
0.219 inches
Second End External Thread Length
0.875 inches
Step Quantity
9
Largest Step Diameter
Between 4.000 inches and 4.001 inches
Surface Finish
59.0 microinches
Material
Steel
Material Specification
Aisi or sae 4340h or 9840h assn standard single material response
Fsc Application Data
Boom hoist cable drum drive truck wrecker, 5 ton
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
007409644
NSN
3040007409644

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5215794
Cage Code:
40152
Status:
A
MSDS:
Part Number:
7409644
Cage Code:
19207
Status:
A
MSDS:
Part Number:
KC9347
Cage Code:
56442
Status:
A
MSDS:
Part Number:
HCF1278
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278A
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278B
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278C
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278D
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278E
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278F
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278G
Cage Code:
40152
Status:
A
MSDS:
Part Number:
HCF1278H
Cage Code:
40152
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 3040-00-740-9644
What are the manufacturers of nsn 3040007409644?
Does this nsn 3040007409644 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040007409644
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 3040007409644 contain any precious metals?
No precious metal content.
Does nsn 3040007409644 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040007409644?
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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  •   Quality Inspected Parts
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