2578612-001A

View detailed technical data, stock status, and sourcing information for: 2578612-001A
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-165-5918

Item Name Code

13205

Assigment Date

11/12/1971 (54 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.

grooved circular lubricant accommodation style, 1.4850 inches minimum and 1.4900 inches maximum overall length, 0.0600 inches nominal first hole diameter, 1.2440 inches minimum and 1.2490 inches maximum body inside diameter, 1.4900 inches nominal body outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.0600 inches nominal first
Overall Length: 1.4850 inches minimum and 1.4900 inches maximum
Body Outside Diameter: 1.4900 inches nominal
Body Inside Diameter: 1.2440 inches minimum and 1.2490 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered all corners
Surface Finish: 125.0 microinches overall
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 external and 1 internal
Material: copper alloy 172 or copper alloy 173 overall
Material Document And Classification: qq-c-530,cond at fed spec all material responses overall
Surface Treatment: cadmium left end surface of body
Surface Treatment: cadmium outside diameter surface of body
Surface Treatment: cadmium right end surface of body
Surface Treatment Document And Classification: cp-0480,cl 3,59171 mfr ref single treatment response left end surface of body
Surface Treatment Document And Classification: cp-0480,cl 3,59171 mfr ref single treatment response right end surface of body
Surface Treatment Document And Classification: cp-0480,cl3,59171 mfr ref single treatment response outside diameter surface of body
Style Designator: solid, plain, no outside flanges
Test Data Document: "81349-mil-i-6866 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
2578612-001A	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-165-5918?

The FSCG of the NSN 3120-00-165-5918 is 3120

Does the NSN 3120-00-165-5918 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-165-5918 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 3120-00-165-5918 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-165-5918 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 3120-00-165-5918 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Nov 12, 1971