521073-3

View detailed technical data, stock status, and sourcing information for: 521073-3
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-974-6593

Item Name Code

00014

Assigment Date

10/05/1966 (59 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

pressed retainer fabrication method, ground surface finish, 10.00 millimeters nominal bore diameter, 8.00 millimeters nominal overall width, 26.00 millimeters nominal overall 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 Width: 8.00 millimeters nominal
Bore Diameter: 10.00 millimeters nominal
Overall Outside Diameter: 26.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.1
Material: steel overall
Style Designator: non-loading groove, non-separable

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
3L00XRIA	Annular Ball Bearing
521073-3	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-974-6593?

The FSCG of the NSN 3110-00-974-6593 is 3110

Does the NSN 3110-00-974-6593 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-974-6593 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 3110-00-974-6593 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-974-6593 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 3110-00-974-6593 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Oct 5, 1966