3120-00-285-8856

Find complete technical information, availability, and procurement data for: 3120-00-285-8856
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-285-8856

Item Name Code

13206

Assigment Date

09/09/1973 (52 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.

0.3740 inches minimum and 0.3745 inches maximum body outside diameter, 0.2550 inches minimum and 0.2600 inches maximum overall length, 0.2495 inches minimum and 0.2505 inches maximum body inside diameter, square all corners corner shape, steel comp 630 overall material

Product Characteristics

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

Overall Length: 0.2550 inches minimum and 0.2600 inches maximum
Body Outside Diameter: 0.3740 inches minimum and 0.3745 inches maximum
Body Inside Diameter: 0.2495 inches minimum and 0.2505 inches maximum
Corner Shape: square all corners
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Style Designator: solid, plain, no outside flanges

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:

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ST4M124-4-004	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-285-8856?

The FSCG of the NSN 3120-00-285-8856 is 3120

Does the NSN 3120-00-285-8856 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-285-8856 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-00-285-8856 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-285-8856 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 3120-00-285-8856 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Sep 9, 1973