3120-01-227-7765

Find complete technical information, availability, and procurement data for: 3120-01-227-7765
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-227-7765

Item Name Code

13205

Assigment Date

03/07/1986 (40 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.

2.9990 inches minimum and 3.0000 inches maximum body inside diameter, 4.7600 inches nominal flange outside diameter, 0.1960 inches nominal first hole diameter, 2.1800 inches nominal overall length, 3.7480 inches minimum and 3.7490 inches maximum 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: 0.1960 inches nominal first
Overall Length: 2.1800 inches nominal
Body Outside Diameter: 3.7480 inches minimum and 3.7490 inches maximum
Body Inside Diameter: 2.9990 inches minimum and 3.0000 inches maximum
Flange Outside Diameter: 4.7600 inches nominal
Flange Width: 0.3200 inches nominal
Corner Shape: square all corners
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches left end surface of body and flange
Surface Finish: 63.0 microinches right end surface of left flange
Antirotation/Lubrication Type And Quantity: 1 hole
Special Features: body od undercut to 3.720 in. nom od and 1.100 in. lg at right end; hole countersunk to 0.344 in. nom od
Material: steel comp 422 overall
Material Document And Classification: mil-s-861 mil spec single material response or b50a-422-c,fscm 01289 assn std 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
439B925P1	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-227-7765?

The FSCG of the NSN 3120-01-227-7765 is 3120

Does the NSN 3120-01-227-7765 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-227-7765 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 3120-01-227-7765 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-227-7765 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 3120-01-227-7765 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Mar 7, 1986