2B1-05818

View detailed technical data, stock status, and sourcing information for: 2B1-05818
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-449-3171

Item Name Code

22293

Assigment Date

09/26/1997 (28 years ago)

An item having two flat bearing surfaces, conforming to the same shape as the base of a nut (1), plain, plate and nut (1), self-locking, plate. It is used to provide better alignment in assembly.

4.2500 inches nominal aperture diameter, single bolt hole circle mounting hole arrangement style, 7.2500 inches nominal outside diameter, raised surface w/ aperture cross-sectional shape style, 0.5625 inches nominal mounting hole 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: raised surface w/ aperture
Outside Diameter: 7.2500 inches nominal
Mounting Hole Diameter: 0.5625 inches nominal
Aperture Diameter: 4.2500 inches nominal
Mounting Hole Arrangement Style: single bolt hole circle
Bolt Circle Hole Quantity: 6
Overall Thickness: 0.7750 inches nominal
Raised Surface Height: 0.2730 inches minimum and 0.2780 inches maximum
Mounting Hole Type: round, unthreaded
Outside Raised Surface Diameter: 4.7200 inches minimum and 4.7210 inches maximum
Material: steel comp 1020 overall
Style Designator: round

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
2B1-05818	Bearing Retaining Plate

FAQs

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

What is the FSCG of the NSN 3110-01-449-3171?

The FSCG of the NSN 3110-01-449-3171 is 3110

Does the NSN 3110-01-449-3171 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3110-01-449-3171 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 3110-01-449-3171 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-449-3171 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 3110-01-449-3171 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Fri, Sep 26, 1997