989969

View detailed technical data, stock status, and sourcing information for: 989969
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-382-1721

Item Name Code

22914

Assigment Date

01/01/1963 (63 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

not identical end similarity, external threaded first end style, 5.078 inches nominal overall length, 0.3125 inches nominal first end diameter, external 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: external threaded
End Similarity: not identical
Second End Style: external threaded
Overall Length: 5.078 inches nominal
First End Diameter: 0.3125 inches nominal
First End External Thread Length: 0.375 inches nominal
Second End Diameter: 0.3125 inches nominal
Second End External Thread Length: 0.448 inches nominal
Step Quantity: 8
Largest Step Diameter: 0.685 inches nominal
Surface Finish: 8.0 microinches
Material: steel corrosion resisting
Material Document And Classification: mil-s-853-7a mil 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
989969	Shouldered Shaft
TA3800	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-382-1721?

The FSCG of the NSN 3040-00-382-1721 is 3040

Does the NSN 3040-00-382-1721 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-382-1721 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 3040-00-382-1721 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-382-1721 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 3040-00-382-1721 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963