3120-00-490-7631

Find complete technical information, availability, and procurement data for: 3120-00-490-7631
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-490-7631

Item Name Code

13206

Assigment Date

09/29/1969 (56 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

3.0550 inches minimum and 3.0600 inches maximum overall length, 0.3120 inches minimum and 0.3135 inches maximum body inside diameter, 100.0 microinches outside diameter surface of body surface finish, square all corners corner shape, 0.4345 inches minimum and 0.4355 inches maximum body outside diameter

Product Characteristics

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

Overall Length: 3.0550 inches minimum and 3.0600 inches maximum
Body Outside Diameter: 0.4345 inches minimum and 0.4355 inches maximum
Body Inside Diameter: 0.3120 inches minimum and 0.3135 inches maximum
Corner Shape: square all corners
Surface Finish: 100.0 microinches outside diameter surface of body
Material: steel comp 303 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
70B125-306	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-490-7631?

The FSCG of the NSN 3120-00-490-7631 is 3120

Does the NSN 3120-00-490-7631 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-490-7631 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 3120-00-490-7631 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-490-7631 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 3120-00-490-7631 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Sep 29, 1969