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Straight Shaft NSN 3040-00-678-1786

Item Description

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.O25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

NSN 3040-00-678-1786 NSN: 3040-00-678-1786

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Two flat keyways
Overall Length
6.940 inches
First End Diameter
Between 0.5595 inches and 0.5600 inches
Second End Keyway Width
0.0900 inches
Second End External Keyway Length
1.780 inches
Second End Keyway Depth
0.060 inches
Second End Diameter
Between 0.5595 inches and 0.5600 inches
Second End Angle Between Keyways
180.0 degrees
Surface Finish
32.0 microinches
Special Features
Three grooves center of shaft
Material
Steel
Material Specification
Qq-s-624 federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
006781786
NSN
3040006781786

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8754143
Cage Code:
19207
Status:
A
MSDS:
Part Number:
2520006781786
Cage Code:
SCY13
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 3040-00-678-1786
What are the manufacturers of nsn 3040006781786?
Does this nsn 3040006781786 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040006781786
A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. it is not designed for use in aligning by fitting into corresponding holes of another item. it may be drilled for lubricating holes. for items having an integral gear(s) or worm(s), see gearshaft (as modified). for items designed to support rotating members see axle(1), straight. for items not having the above conditions see pin, straight, headless. for items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.
Does nsn 3040006781786 contain any precious metals?
No precious metal content.
Does nsn 3040006781786 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040006781786?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22109
FIIG:
A23200
App. Key:
B
Cond. Code:
1
Status:
A

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