3120-00-913-6581

Find complete technical information, availability, and procurement data for: 3120-00-913-6581
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-913-6581

Item Name Code

13211

Assigment Date

01/01/1960 (66 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.0620 inches minimum and 0.0630 inches maximum overall thickness, rectangular cross-sectional shape style, round center hole shape style, 0.3880 inches minimum and 0.3980 inches maximum diameter, 0.6774 inches minimum and 0.6776 inches maximum outside diameter

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Outside Diameter: 0.6774 inches minimum and 0.6776 inches maximum
Center Hole Shape Style: round
Diameter: 0.3880 inches minimum and 0.3980 inches maximum
Overall Thickness: 0.0620 inches minimum and 0.0630 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches largest outside diameter
Surface Finish: 125.0 microinches inner member
Surface Finish: 30.0 microinches right side
Surface Finish: 30.0 microinches left side
Material: steel comp 8740 overall
Material Document And Classification: mil-s-6049 c3 mil spec single material response overall
Style Designator: round
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
56446	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-913-6581?

The FSCG of the NSN 3120-00-913-6581 is 3120

Does the NSN 3120-00-913-6581 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-913-6581 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 3120-00-913-6581 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-913-6581 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 3120-00-913-6581 was assigned to the Federal Catalog?

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