21-006-8-8

View detailed technical data, stock status, and sourcing information for: 21-006-8-8
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-241-6805

Item Name Code

13206

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.

chamfered inside left corner corner shape, 0.2470 inches minimum and 0.2530 inches maximum overall length, 0.3760 inches minimum and 0.3765 inches maximum body outside diameter, 0.2495 inches minimum and 0.2505 inches maximum body inside diameter, chamfered inside right corner corner shape

Product Characteristics

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

Overall Length: 0.2470 inches minimum and 0.2530 inches maximum
Body Outside Diameter: 0.3760 inches minimum and 0.3765 inches maximum
Body Inside Diameter: 0.2495 inches minimum and 0.2505 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum overall
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium 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:

Part Number	Name
21-006-8-8	Sleeve Bushing
75B6-8-8	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-241-6805?

The FSCG of the NSN 3120-00-241-6805 is 3120

Does the NSN 3120-00-241-6805 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-241-6805 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 3120-00-241-6805 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-241-6805 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 3120-00-241-6805 was assigned to the Federal Catalog?

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