Shouldered Shaft

NSN: 3040-00-007-8121 | Model: 546-6987-002

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 fla (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 Properties and Flags

NATO Stock Number

3040-00-007-8121

DEMIL

Yes - ITAR Controlled (Code B)

First End Style

Plain

End Similarity

Not identical

Second End Style

Slotted

Overall Length

6.562 inches

Second End Slot Width

0.0625 inches

First End Diameter

0.3750 inches

Second End Diameter

0.3125 inches

Second End Slot Depth

0.0938 inches

Step Quantity

Largest Step Diameter

0.375 inches

Material

Plastic

Pricing and Availability

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NSN 3040-00-007-8121 Datasheet

Supply Class (FSC):

Miscellaneous Power Transmission Equipment

Cross Reference:

546-6987-002

Cage Codes:

Rockwell Collins, Inc. (CAGE 13499)

Schedule B & Trade:

Schedule B: 8483105000 (NAICS 333613)

Transmission shafts and cranks, except camshafts and crankshafts
SITC: 74810

Transmission shafts (including cam and crank shafts) and cranks
End Use: 21180

Industrial machines, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3040-00-007-8121 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Brazil, and New Zealand
What is the NIIN of NSN 3040-00-007-8121?
000078121 or 00-007-8121
Does NSN 3040-00-007-8121 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3040-00-007-8121?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 12, 1972