3120-00-068-8449

Find complete technical information, availability, and procurement data for: 3120-00-068-8449
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-068-8449

Item Name Code

13211

Assigment Date

07/07/1967 (59 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

round center hole shape style, 0.2990 inches minimum and 0.3010 inches maximum overall thickness, 1.4010 inches minimum and 1.4020 inches maximum outside diameter, 0.9550 inches nominal diameter, tapered hole cross-sectional shape style

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: tapered hole
Outside Diameter: 1.4010 inches minimum and 1.4020 inches maximum
Center Hole Shape Style: round
Diameter: 0.9550 inches nominal
Overall Thickness: 0.2990 inches minimum and 0.3010 inches maximum
Inside Spherical Radius: 0.8100 inches minimum and 0.8160 inches maximum
Spherical Depth: 0.1430 inches minimum and 0.1580 inches maximum
Corner Shape: square all corners
Special Features: body has 8 grooves equally spaced with 0.0781 drill holes centered in grooves
Material: copper alloy 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
1889-05	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-068-8449?

The FSCG of the NSN 3120-00-068-8449 is 3120

Does the NSN 3120-00-068-8449 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-068-8449 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 3120-00-068-8449 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-068-8449 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 3120-00-068-8449 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jul 7, 1967