3120-00-498-7949

Find complete technical information, availability, and procurement data for: 3120-00-498-7949
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-498-7949

Item Name Code

13211

Assigment Date

10/10/1969 (56 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

shouldered cross-sectional shape style, round center hole shape style, 0.5000 inches nominal outside diameter, 0.0250 inches minimum and 0.0350 inches maximum flange thickness, 0.3120 inches minimum and 0.3140 inches maximum 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: shouldered
Flange Thickness: 0.0250 inches minimum and 0.0350 inches maximum
Outside Diameter: 0.5000 inches nominal
Center Hole Shape Style: round
Diameter: 0.3120 inches minimum and 0.3140 inches maximum
Overall Thickness: 0.0850 inches minimum and 0.0950 inches maximum
Shank Outside Diameter: 0.3790 inches minimum and 0.3810 inches maximum
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
510874	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-498-7949?

The FSCG of the NSN 3120-00-498-7949 is 3120

Does the NSN 3120-00-498-7949 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-498-7949 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 3120-00-498-7949 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-498-7949 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 3120-00-498-7949 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Oct 10, 1969