3120-01-127-7155

Find complete technical information, availability, and procurement data for: 3120-01-127-7155
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-127-7155

Item Name Code

13206

Assigment Date

03/06/1982 (44 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.2850 inches minimum and 0.2900 inches maximum overall length, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.4387 inches minimum and 0.4393 inches maximum body inside diameter, 0.5631 inches minimum and 0.5638 inches maximum body outside diameter, 0.6770 inches minimum and 0.6970 inches maximum 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: 0.2850 inches minimum and 0.2900 inches maximum
Body Outside Diameter: 0.5631 inches minimum and 0.5638 inches maximum
Body Inside Diameter: 0.4387 inches minimum and 0.4393 inches maximum
Flange Outside Diameter: 0.6770 inches minimum and 0.6970 inches maximum
Flange Width: 0.0550 inches minimum and 0.0600 inches maximum
Corner Shape: square all corners
Surface Finish: 100.0 microinches inside diameter surface of body
Surface Finish: 120.0 microinches left end surface of body and flange
Surface Finish: 120.0 microinches outside diameter surface of flange
Surface Finish: 120.0 microinches right end surface of body
Surface Finish: 120.0 microinches right end surface of left flange
Surface Finish: 63.0 microinches outside diameter surface of body
Material: steel comp 4130 or steel comp 8630 overall
Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-6050 mil spec 2nd material response overall
Style Designator: solid, external flange one end
Test Data Document: "81349-mil-i-6868 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
39-5681-7	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-127-7155?

The FSCG of the NSN 3120-01-127-7155 is 3120

Does the NSN 3120-01-127-7155 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-127-7155 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 3120-01-127-7155 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-127-7155 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 3120-01-127-7155 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Mar 6, 1982