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Shouldered Shaft NSN 3040-01-166-6779

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 3040-01-166-6779 NSN: 3040-01-166-6779

Features and Characteristics

First End Style
Internal threaded
Second End Style
Flat keyways and internally threaded
Overall Length
12.250 inches
First End Diameter
Between 9.6200 inches and 9.6250 inches
First End Internal Thread Length
0.875 inches
Second End Keyway Width
Between 0.5000 inches and 0.5030 inches
Second End External Keyway Length
6.500 inches
Second End Keyway Depth
Between 0.276 inches and 0.277 inches
Second End Diameter
Between 3.9350 inches and 3.9360 inches
Second End Internal Thread Length
0.750 inches
Step Quantity
3
Largest Step Diameter
Between 11.605 inches and 11.645 inches
Surface Finish
125.0 microinches
Special Features
Bore lg of shaft, 2.125 in. Dia; counterbore both ends, 2.187/2.188 in. Dia, 2.020 in. Dp; first end has one additional, ident, int thd hole, both holes equally spaced on a 6.000 in. Bolt cir dia; second end has three additional, ident, int thd holes, all four holes equally spaced on a 3.250 in. Bolt cir dia
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011666779
NSN
3040011666779

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4648150
Cage Code:
80064
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 3040-01-166-6779
What are the manufacturers of nsn 3040011666779?
Does this nsn 3040011666779 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011666779
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 3040011666779 contain any precious metals?
No precious metal content.
Does nsn 3040011666779 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011666779?
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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