204-1863384 PC 9

View detailed technical data, stock status, and sourcing information for: 204-1863384 PC 9
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-221-4250

Item Name Code

13206

Assigment Date

11/28/1985 (40 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.

1.6040 inches minimum and 1.6160 inches maximum overall length, 0.1240 inches minimum and 0.1260 inches maximum flange width, 1.3758 inches minimum and 1.3759 inches maximum body outside diameter, 1.0635 inches minimum and 1.0645 inches maximum body inside diameter, 2.2500 inches nominal flange 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 Length: 1.6040 inches minimum and 1.6160 inches maximum
Body Outside Diameter: 1.3758 inches minimum and 1.3759 inches maximum
Body Inside Diameter: 1.0635 inches minimum and 1.0645 inches maximum
Flange Outside Diameter: 2.2500 inches nominal
Flange Width: 0.1240 inches minimum and 0.1260 inches maximum
Corner Shape: square all corners
Surface Finish: 63.0 microinches overall
Material: copper alloy overall
Material Document And Classification: mil-b-5687 ty1,comp a mil spec single material response overall
Style Designator: solid, external flange one end

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
204-1863384 PC 9	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-221-4250?

The FSCG of the NSN 3120-01-221-4250 is 3120

Does the NSN 3120-01-221-4250 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-221-4250 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 3120-01-221-4250 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-221-4250 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 3120-01-221-4250 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Nov 28, 1985