3998F

View detailed technical data, stock status, and sourcing information for: 3998F
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-278-6868

Item Name Code

00019

Assigment Date

01/01/1963 (63 years ago)

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

3.5000 inches nominal bore smallest diameter, machined retainer fabrication method, 1.1250 inches nominal overall height, ground surface finish, 5.0000 inches 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 Height: 1.1250 inches nominal
Overall Outside Diameter: 5.0000 inches nominal
Bore Smallest Diameter: 3.5000 inches nominal
Surface Finish: ground
Retainer Fabrication Method: machined
Alignment Type: rigid
Thrust Directional Capability Designation: single
Standard Tolerance Designation: abec no.1
Material: copper alloy retainer
Material: steel corrosion resisting ball
Material: steel corrosion resisting washer
Style Designator: grooved race surface

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
3998F	Thrust Ball Bearing
3998F36	Thrust Ball Bearing
AM3 1-2	Thrust Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-278-6868?

The FSCG of the NSN 3110-00-278-6868 is 3110

Does the NSN 3110-00-278-6868 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3110-00-278-6868 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 3110-00-278-6868 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-278-6868 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 3110-00-278-6868 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963