646C689P2

View detailed technical data, stock status, and sourcing information for: 646C689P2
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-012-9704

Item Name Code

22293

Assigment Date

11/20/1975 (50 years ago)

A trunicated cone-shaped metal item generally tapered along its entire peripheral length, with a centrally located hole. It may be split (cut) through the material parallel to the axis.

1.520 inches minimum and 1.540 inches maximum aperture diameter, 2.000 inches minimum and 2.020 inches maximum outside diameter, 3 bolt circle hole quantity, 0.213 inches nominal mounting hole diameter, 0.035 inches minimum and 0.040 inches maximum overall thickness

Product Characteristics

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

Outside Diameter: 2.000 inches minimum and 2.020 inches maximum
Mounting Hole Diameter: 0.213 inches nominal
Aperture Diameter: 1.520 inches minimum and 1.540 inches maximum
Bolt Circle Hole Quantity: 3
Overall Thickness: 0.035 inches minimum and 0.040 inches maximum
Raised Surface Height: 0.521 inches minimum and 0.524 inches maximum
Hardness Rating: 20.0 rockwell c minimum and 32.0 rockwell c maximum
Mounting Hole Type: round, unthreaded
First Raised Surface Outside Diameter: 1.753 inches minimum and 1.754 inches maximum
Special Features: raised surface feature:included;corner bevel dim:0.020 in.by 45 deg;aperture shape:round and included;shape:round
Material: steel comp 4140 overall

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
646C689P2	Bearing Retaining Plate

FAQs

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

What is the FSCG of the NSN 3110-01-012-9704?

The FSCG of the NSN 3110-01-012-9704 is 3110

Does the NSN 3110-01-012-9704 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3110-01-012-9704 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 3110-01-012-9704 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-012-9704 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 3110-01-012-9704 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Nov 20, 1975