A51G20563-1

View detailed technical data, stock status, and sourcing information for: A51G20563-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-003-3894

Item Name Code

13204

Assigment Date

05/26/1972 (54 years ago)

A detachable part 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. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes:bearing, plain, self-aligning.

0.2800 inches minimum and 0.2870 inches maximum body inside diameter, square inside right corner corner shape, 0.4380 inches nominal overall length, 0.6180 inches minimum and 0.6216 inches maximum spherical body diameter, square inside left 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: 0.4380 inches nominal
Body Inside Diameter: 0.2800 inches minimum and 0.2870 inches maximum
Spherical Body Diameter: 0.6180 inches minimum and 0.6216 inches maximum
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches overall
Special Features: counterbored on both ends 0.3746 in. min,0.3753 in. max dia,0.180 in. deep
Material: aluminum alloy 7075 overall
Style Designator: solid

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
A51G20563-1	Spherical Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-003-3894?

The FSCG of the NSN 3120-00-003-3894 is 3120

Does the NSN 3120-00-003-3894 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-003-3894 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 3120-00-003-3894 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-003-3894 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 3120-00-003-3894 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, May 26, 1972