3040-00-859-2551

Find complete technical information, availability, and procurement data for: 3040-00-859-2551
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-859-2551

Item Name Code

22914

Assigment Date

01/01/1960 (66 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.4985 inches nominal first end diameter, not identical end similarity, 5.2187 inches nominal overall length, plain first end style, flat keyways and internally threaded second end style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

First End Style: plain
End Similarity: not identical
Second End Style: flat keyways and internally threaded
Overall Length: 5.2187 inches nominal
First End Diameter: 0.4985 inches nominal
Second End Keyway Width: 0.1250 inches nominal
Second End External Keyway Length: unable to decode
Second End Keyway Depth: 0.077 inches nominal
Second End Diameter: 0.3749 inches nominal
Second End Internal Thread Length: 0.500 inches nominal
Step Quantity: 2
Largest Step Diameter: 0.499 inches nominal
Surface Finish: 16.0 microinches
Material: steel comp 416se
Material Document And Classification: qq-s-763,class 416se,cond a fed spec single material response

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10066509	Shouldered Shaft

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3040-00-859-2551?

The FSCG of the NSN 3040-00-859-2551 is 3040

Does the NSN 3040-00-859-2551 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-859-2551 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3040-00-859-2551 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-859-2551 contain hazardous materials?

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

When the NSN 3040-00-859-2551 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960